Merge "Fix intraline highlights"
diff --git a/WORKSPACE b/WORKSPACE
index 350dba1..6a86c19 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -1251,8 +1251,8 @@
 bower_archive(
     name = "page",
     package = "visionmedia/page.js",
-    sha1 = "51a05428dd4f68fae1df5f12d0e2b61ba67f7757",
-    version = "1.7.1",
+    sha1 = "4a31889cd75cc5e7f68a4c7f256eecaf27102eee",
+    version = "1.11.4",
 )
 
 bower_archive(
diff --git a/java/com/google/gerrit/server/project/SubmitRuleEvaluator.java b/java/com/google/gerrit/server/project/SubmitRuleEvaluator.java
index 1b1869c..96eff88 100644
--- a/java/com/google/gerrit/server/project/SubmitRuleEvaluator.java
+++ b/java/com/google/gerrit/server/project/SubmitRuleEvaluator.java
@@ -112,21 +112,14 @@
     // We evaluate all the plugin-defined evaluators,
     // and then we collect the results in one list.
     return Streams.stream(submitRules)
-        .map(c -> c.call(s -> s.evaluate(cd, opts)))
+        .map(c -> c.call(s -> s.evaluate(cd)))
         .flatMap(Collection::stream)
         .collect(Collectors.toList());
   }
 
   private List<SubmitRecord> ruleError(String err, Exception e) {
-    if (opts.logErrors()) {
-      if (e == null) {
-        logger.atSevere().log(err);
-      } else {
-        logger.atSevere().withCause(e).log(err);
-      }
-      return defaultRuleError();
-    }
-    return createRuleError(err);
+    logger.atSevere().withCause(e).log(err);
+    return defaultRuleError();
   }
 
   /**
@@ -146,14 +139,11 @@
       return typeError("Error looking up change " + cd.getId(), e);
     }
 
-    return prologRule.getSubmitType(cd, opts);
+    return prologRule.getSubmitType(cd);
   }
 
   private SubmitTypeRecord typeError(String err, Exception e) {
-    if (opts.logErrors()) {
-      logger.atSevere().withCause(e).log(err);
-      return defaultTypeError();
-    }
-    return SubmitTypeRecord.error(err);
+    logger.atSevere().withCause(e).log(err);
+    return defaultTypeError();
   }
 }
diff --git a/java/com/google/gerrit/server/project/SubmitRuleOptions.java b/java/com/google/gerrit/server/project/SubmitRuleOptions.java
index a4340b2..ad077c0 100644
--- a/java/com/google/gerrit/server/project/SubmitRuleOptions.java
+++ b/java/com/google/gerrit/server/project/SubmitRuleOptions.java
@@ -15,7 +15,6 @@
 package com.google.gerrit.server.project;
 
 import com.google.auto.value.AutoValue;
-import com.google.gerrit.common.Nullable;
 
 /**
  * Stable identifier for options passed to a particular submit rule evaluator.
@@ -26,12 +25,7 @@
 @AutoValue
 public abstract class SubmitRuleOptions {
   private static final SubmitRuleOptions defaults =
-      new AutoValue_SubmitRuleOptions.Builder()
-          .allowClosed(false)
-          .skipFilters(false)
-          .logErrors(true)
-          .rule(null)
-          .build();
+      new AutoValue_SubmitRuleOptions.Builder().allowClosed(false).build();
 
   public static SubmitRuleOptions defaults() {
     return defaults;
@@ -43,25 +37,12 @@
 
   public abstract boolean allowClosed();
 
-  public abstract boolean skipFilters();
-
-  public abstract boolean logErrors();
-
-  @Nullable
-  public abstract String rule();
-
   public abstract Builder toBuilder();
 
   @AutoValue.Builder
   public abstract static class Builder {
     public abstract SubmitRuleOptions.Builder allowClosed(boolean allowClosed);
 
-    public abstract SubmitRuleOptions.Builder skipFilters(boolean skipFilters);
-
-    public abstract SubmitRuleOptions.Builder rule(@Nullable String rule);
-
-    public abstract SubmitRuleOptions.Builder logErrors(boolean logErrors);
-
     public abstract SubmitRuleOptions build();
   }
 }
diff --git a/java/com/google/gerrit/server/restapi/change/TestSubmitRule.java b/java/com/google/gerrit/server/restapi/change/TestSubmitRule.java
index afd02a9..d5ed9a4 100644
--- a/java/com/google/gerrit/server/restapi/change/TestSubmitRule.java
+++ b/java/com/google/gerrit/server/restapi/change/TestSubmitRule.java
@@ -31,9 +31,8 @@
 import com.google.gerrit.server.permissions.PermissionBackendException;
 import com.google.gerrit.server.project.ProjectCache;
 import com.google.gerrit.server.project.ProjectState;
-import com.google.gerrit.server.project.SubmitRuleOptions;
 import com.google.gerrit.server.query.change.ChangeData;
-import com.google.gerrit.server.rules.DefaultSubmitRule;
+import com.google.gerrit.server.rules.PrologOptions;
 import com.google.gerrit.server.rules.PrologRule;
 import com.google.gerrit.server.rules.RulesCache;
 import com.google.inject.Inject;
@@ -46,7 +45,6 @@
   private final RulesCache rules;
   private final AccountLoader.Factory accountInfoFactory;
   private final ProjectCache projectCache;
-  private final DefaultSubmitRule defaultSubmitRule;
   private final PrologRule prologRule;
 
   @Option(name = "--filters", usage = "impact of filters in parent projects")
@@ -58,13 +56,11 @@
       RulesCache rules,
       AccountLoader.Factory infoFactory,
       ProjectCache projectCache,
-      DefaultSubmitRule defaultSubmitRule,
       PrologRule prologRule) {
     this.changeDataFactory = changeDataFactory;
     this.rules = rules;
     this.accountInfoFactory = infoFactory;
     this.projectCache = projectCache;
-    this.defaultSubmitRule = defaultSubmitRule;
     this.prologRule = prologRule;
   }
 
@@ -74,33 +70,23 @@
     if (input == null) {
       input = new TestSubmitRuleInput();
     }
-    if (input.rule != null && !rules.isProjectRulesEnabled()) {
+    if (input.rule == null) {
+      throw new BadRequestException("rule is required");
+    }
+    if (!rules.isProjectRulesEnabled()) {
       throw new AuthException("project rules are disabled");
     }
     input.filters = MoreObjects.firstNonNull(input.filters, filters);
 
-    SubmitRuleOptions opts =
-        SubmitRuleOptions.builder()
-            .skipFilters(input.filters == Filters.SKIP)
-            .rule(input.rule)
-            .logErrors(false)
-            .build();
-
     ProjectState projectState = projectCache.get(rsrc.getProject());
     if (projectState == null) {
       throw new BadRequestException("project not found");
     }
     ChangeData cd = changeDataFactory.create(rsrc.getNotes());
-    List<SubmitRecord> records;
-    if (projectState.hasPrologRules() || input.rule != null) {
-      records = ImmutableList.copyOf(prologRule.evaluate(cd, opts));
-    } else {
-      // No rules were provided as input and we have no rules.pl. This means we are supposed to run
-      // the default rules. Nowadays, the default rules are implemented in Java, not Prolog.
-      // Therefore, we call the DefaultRuleEvaluator instead.
-      records = ImmutableList.copyOf(defaultSubmitRule.evaluate(cd, opts));
-    }
-
+    List<SubmitRecord> records =
+        ImmutableList.copyOf(
+            prologRule.evaluate(
+                cd, PrologOptions.dryRunOptions(input.rule, input.filters == Filters.SKIP)));
     List<TestSubmitRuleInfo> out = Lists.newArrayListWithCapacity(records.size());
     AccountLoader accounts = accountInfoFactory.create(true);
     for (SubmitRecord r : records) {
diff --git a/java/com/google/gerrit/server/restapi/change/TestSubmitType.java b/java/com/google/gerrit/server/restapi/change/TestSubmitType.java
index 9e8ee67..cb52fcb 100644
--- a/java/com/google/gerrit/server/restapi/change/TestSubmitType.java
+++ b/java/com/google/gerrit/server/restapi/change/TestSubmitType.java
@@ -21,6 +21,7 @@
 import com.google.gerrit.extensions.common.TestSubmitRuleInput.Filters;
 import com.google.gerrit.extensions.restapi.AuthException;
 import com.google.gerrit.extensions.restapi.BadRequestException;
+import com.google.gerrit.extensions.restapi.ResourceConflictException;
 import com.google.gerrit.extensions.restapi.Response;
 import com.google.gerrit.extensions.restapi.RestModifyView;
 import com.google.gerrit.extensions.restapi.RestReadView;
@@ -28,6 +29,8 @@
 import com.google.gerrit.server.project.SubmitRuleEvaluator;
 import com.google.gerrit.server.project.SubmitRuleOptions;
 import com.google.gerrit.server.query.change.ChangeData;
+import com.google.gerrit.server.rules.PrologOptions;
+import com.google.gerrit.server.rules.PrologRule;
 import com.google.gerrit.server.rules.RulesCache;
 import com.google.inject.Inject;
 import org.kohsuke.args4j.Option;
@@ -35,19 +38,16 @@
 public class TestSubmitType implements RestModifyView<RevisionResource, TestSubmitRuleInput> {
   private final ChangeData.Factory changeDataFactory;
   private final RulesCache rules;
-  private final SubmitRuleEvaluator.Factory submitRuleEvaluatorFactory;
+  private final PrologRule prologRule;
 
   @Option(name = "--filters", usage = "impact of filters in parent projects")
   private Filters filters = Filters.RUN;
 
   @Inject
-  TestSubmitType(
-      ChangeData.Factory changeDataFactory,
-      RulesCache rules,
-      SubmitRuleEvaluator.Factory submitRuleEvaluatorFactory) {
+  TestSubmitType(ChangeData.Factory changeDataFactory, RulesCache rules, PrologRule prologRule) {
     this.changeDataFactory = changeDataFactory;
     this.rules = rules;
-    this.submitRuleEvaluatorFactory = submitRuleEvaluatorFactory;
+    this.prologRule = prologRule;
   }
 
   @Override
@@ -56,21 +56,18 @@
     if (input == null) {
       input = new TestSubmitRuleInput();
     }
-    if (input.rule != null && !rules.isProjectRulesEnabled()) {
+    if (input.rule == null) {
+      throw new BadRequestException("rule is required");
+    }
+    if (!rules.isProjectRulesEnabled()) {
       throw new AuthException("project rules are disabled");
     }
     input.filters = MoreObjects.firstNonNull(input.filters, filters);
 
-    SubmitRuleOptions opts =
-        SubmitRuleOptions.builder()
-            .logErrors(false)
-            .skipFilters(input.filters == Filters.SKIP)
-            .rule(input.rule)
-            .build();
-
-    SubmitRuleEvaluator evaluator = submitRuleEvaluatorFactory.create(opts);
     ChangeData cd = changeDataFactory.create(rsrc.getNotes());
-    SubmitTypeRecord rec = evaluator.getSubmitType(cd);
+    SubmitTypeRecord rec =
+        prologRule.getSubmitType(
+            cd, PrologOptions.dryRunOptions(input.rule, input.filters == Filters.SKIP));
 
     if (rec.status != SubmitTypeRecord.Status.OK) {
       throw new BadRequestException(String.format("rule produced invalid result: %s", rec));
@@ -80,17 +77,30 @@
   }
 
   public static class Get implements RestReadView<RevisionResource> {
-    private final TestSubmitType test;
+    private final ChangeData.Factory changeDataFactory;
+    private final SubmitRuleEvaluator.Factory submitRuleEvaluatorFactory;
 
     @Inject
-    Get(TestSubmitType test) {
-      this.test = test;
+    Get(
+        ChangeData.Factory changeDataFactory,
+        SubmitRuleEvaluator.Factory submitRuleEvaluatorFactory) {
+      this.changeDataFactory = changeDataFactory;
+      this.submitRuleEvaluatorFactory = submitRuleEvaluatorFactory;
     }
 
     @Override
     public Response<SubmitType> apply(RevisionResource resource)
-        throws AuthException, BadRequestException {
-      return test.apply(resource, null);
+        throws AuthException, ResourceConflictException {
+      SubmitRuleEvaluator evaluator =
+          submitRuleEvaluatorFactory.create(SubmitRuleOptions.defaults());
+      ChangeData cd = changeDataFactory.create(resource.getNotes());
+      SubmitTypeRecord rec = evaluator.getSubmitType(cd);
+
+      if (rec.status != SubmitTypeRecord.Status.OK) {
+        throw new ResourceConflictException(String.format("rule produced invalid result: %s", rec));
+      }
+
+      return Response.ok(rec.type);
     }
   }
 }
diff --git a/java/com/google/gerrit/server/rules/DefaultSubmitRule.java b/java/com/google/gerrit/server/rules/DefaultSubmitRule.java
index 8401c1d..ee997b2 100644
--- a/java/com/google/gerrit/server/rules/DefaultSubmitRule.java
+++ b/java/com/google/gerrit/server/rules/DefaultSubmitRule.java
@@ -26,7 +26,6 @@
 import com.google.gerrit.reviewdb.client.PatchSetApproval;
 import com.google.gerrit.server.project.ProjectCache;
 import com.google.gerrit.server.project.ProjectState;
-import com.google.gerrit.server.project.SubmitRuleOptions;
 import com.google.gerrit.server.query.change.ChangeData;
 import com.google.inject.Inject;
 import com.google.inject.Singleton;
@@ -63,7 +62,7 @@
   }
 
   @Override
-  public Collection<SubmitRecord> evaluate(ChangeData cd, SubmitRuleOptions options) {
+  public Collection<SubmitRecord> evaluate(ChangeData cd) {
     ProjectState projectState = projectCache.get(cd.project());
 
     // In case at least one project has a rules.pl file, we let Prolog handle it.
diff --git a/java/com/google/gerrit/server/rules/IgnoreSelfApprovalRule.java b/java/com/google/gerrit/server/rules/IgnoreSelfApprovalRule.java
index 4695800..ff5d99e 100644
--- a/java/com/google/gerrit/server/rules/IgnoreSelfApprovalRule.java
+++ b/java/com/google/gerrit/server/rules/IgnoreSelfApprovalRule.java
@@ -28,7 +28,6 @@
 import com.google.gerrit.extensions.config.FactoryModule;
 import com.google.gerrit.reviewdb.client.Account;
 import com.google.gerrit.reviewdb.client.PatchSetApproval;
-import com.google.gerrit.server.project.SubmitRuleOptions;
 import com.google.gerrit.server.query.change.ChangeData;
 import com.google.inject.Inject;
 import com.google.inject.Singleton;
@@ -60,7 +59,7 @@
   IgnoreSelfApprovalRule() {}
 
   @Override
-  public Collection<SubmitRecord> evaluate(ChangeData cd, SubmitRuleOptions options) {
+  public Collection<SubmitRecord> evaluate(ChangeData cd) {
     List<LabelType> labelTypes;
     List<PatchSetApproval> approvals;
     try {
diff --git a/java/com/google/gerrit/server/rules/PrologOptions.java b/java/com/google/gerrit/server/rules/PrologOptions.java
new file mode 100644
index 0000000..da9b3ab
--- /dev/null
+++ b/java/com/google/gerrit/server/rules/PrologOptions.java
@@ -0,0 +1,57 @@
+// Copyright (C) 2019 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package com.google.gerrit.server.rules;
+
+import com.google.auto.value.AutoValue;
+import com.google.gerrit.common.Nullable;
+import java.util.Optional;
+
+@AutoValue
+public abstract class PrologOptions {
+  public static PrologOptions defaultOptions() {
+    return new AutoValue_PrologOptions.Builder().logErrors(true).skipFilters(false).build();
+  }
+
+  public static PrologOptions dryRunOptions(String ruleToTest, boolean skipFilters) {
+    return new AutoValue_PrologOptions.Builder()
+        .logErrors(false)
+        .skipFilters(skipFilters)
+        .rule(ruleToTest)
+        .build();
+  }
+
+  /** Whether errors should be logged. */
+  abstract boolean logErrors();
+
+  /** Whether Prolog filters from parent projects should be skipped. */
+  abstract boolean skipFilters();
+
+  /**
+   * Prolog rule that should be run. If not given, the Prolog rule that is configured for the
+   * project is used (the rule from rules.pl in refs/meta/config).
+   */
+  abstract Optional<String> rule();
+
+  @AutoValue.Builder
+  abstract static class Builder {
+    abstract PrologOptions.Builder logErrors(boolean logErrors);
+
+    abstract PrologOptions.Builder skipFilters(boolean skipFilters);
+
+    abstract PrologOptions.Builder rule(@Nullable String rule);
+
+    abstract PrologOptions build();
+  }
+}
diff --git a/java/com/google/gerrit/server/rules/PrologRule.java b/java/com/google/gerrit/server/rules/PrologRule.java
index 0c54f40..e15b4b5 100644
--- a/java/com/google/gerrit/server/rules/PrologRule.java
+++ b/java/com/google/gerrit/server/rules/PrologRule.java
@@ -18,7 +18,6 @@
 import com.google.gerrit.common.data.SubmitTypeRecord;
 import com.google.gerrit.server.project.ProjectCache;
 import com.google.gerrit.server.project.ProjectState;
-import com.google.gerrit.server.project.SubmitRuleOptions;
 import com.google.gerrit.server.query.change.ChangeData;
 import com.google.inject.Inject;
 import com.google.inject.Singleton;
@@ -37,21 +36,29 @@
   }
 
   @Override
-  public Collection<SubmitRecord> evaluate(ChangeData cd, SubmitRuleOptions opts) {
+  public Collection<SubmitRecord> evaluate(ChangeData cd) {
     ProjectState projectState = projectCache.get(cd.project());
     // We only want to run the Prolog engine if we have at least one rules.pl file to use.
-    if ((projectState == null || !projectState.hasPrologRules()) && opts.rule() == null) {
+    if ((projectState == null || !projectState.hasPrologRules())) {
       return Collections.emptyList();
     }
 
+    return evaluate(cd, PrologOptions.defaultOptions());
+  }
+
+  public Collection<SubmitRecord> evaluate(ChangeData cd, PrologOptions opts) {
     return getEvaluator(cd, opts).evaluate();
   }
 
-  private PrologRuleEvaluator getEvaluator(ChangeData cd, SubmitRuleOptions opts) {
-    return factory.create(cd, opts);
+  public SubmitTypeRecord getSubmitType(ChangeData cd) {
+    return getSubmitType(cd, PrologOptions.defaultOptions());
   }
 
-  public SubmitTypeRecord getSubmitType(ChangeData cd, SubmitRuleOptions opts) {
+  public SubmitTypeRecord getSubmitType(ChangeData cd, PrologOptions opts) {
     return getEvaluator(cd, opts).getSubmitType();
   }
+
+  private PrologRuleEvaluator getEvaluator(ChangeData cd, PrologOptions opts) {
+    return factory.create(cd, opts);
+  }
 }
diff --git a/java/com/google/gerrit/server/rules/PrologRuleEvaluator.java b/java/com/google/gerrit/server/rules/PrologRuleEvaluator.java
index c036c86..7f6450d 100644
--- a/java/com/google/gerrit/server/rules/PrologRuleEvaluator.java
+++ b/java/com/google/gerrit/server/rules/PrologRuleEvaluator.java
@@ -35,7 +35,6 @@
 import com.google.gerrit.server.project.ProjectCache;
 import com.google.gerrit.server.project.ProjectState;
 import com.google.gerrit.server.project.RuleEvalException;
-import com.google.gerrit.server.project.SubmitRuleOptions;
 import com.google.gerrit.server.query.change.ChangeData;
 import com.google.inject.assistedinject.Assisted;
 import com.google.inject.assistedinject.AssistedInject;
@@ -73,7 +72,7 @@
 
   public interface Factory {
     /** Returns a new {@link PrologRuleEvaluator} with the specified options */
-    PrologRuleEvaluator create(ChangeData cd, SubmitRuleOptions options);
+    PrologRuleEvaluator create(ChangeData cd, PrologOptions options);
   }
 
   /**
@@ -95,7 +94,7 @@
   private final PrologEnvironment.Factory envFactory;
   private final ChangeData cd;
   private final ProjectState projectState;
-  private final SubmitRuleOptions opts;
+  private final PrologOptions opts;
   private Term submitRule;
 
   @AssistedInject
@@ -107,7 +106,7 @@
       PrologEnvironment.Factory envFactory,
       ProjectCache projectCache,
       @Assisted ChangeData cd,
-      @Assisted SubmitRuleOptions options) {
+      @Assisted PrologOptions options) {
     this.accountCache = accountCache;
     this.accounts = accounts;
     this.emails = emails;
@@ -159,12 +158,6 @@
       return ruleError("Error looking up change " + cd.getId(), e);
     }
 
-    if (!opts.allowClosed() && change.isClosed()) {
-      SubmitRecord rec = new SubmitRecord();
-      rec.status = SubmitRecord.Status.CLOSED;
-      return Collections.singletonList(rec);
-    }
-
     List<Term> results;
     try {
       results =
@@ -465,22 +458,22 @@
     PrologEnvironment env;
     try {
       PrologMachineCopy pmc;
-      if (opts.rule() == null) {
+      if (opts.rule().isPresent()) {
+        pmc = rulesCache.loadMachine("stdin", new StringReader(opts.rule().get()));
+      } else {
         pmc =
             rulesCache.loadMachine(
                 projectState.getNameKey(), projectState.getConfig().getRulesId());
-      } else {
-        pmc = rulesCache.loadMachine("stdin", new StringReader(opts.rule()));
       }
       env = envFactory.create(pmc);
     } catch (CompileException err) {
       String msg;
-      if (opts.rule() == null) {
+      if (opts.rule().isPresent()) {
+        msg = err.getMessage();
+      } else {
         msg =
             String.format(
                 "Cannot load rules.pl for %s: %s", projectState.getName(), err.getMessage());
-      } else {
-        msg = err.getMessage();
       }
       throw new RuleEvalException(msg, err);
     }
diff --git a/java/com/google/gerrit/server/rules/SubmitRule.java b/java/com/google/gerrit/server/rules/SubmitRule.java
index 2a68683..20cb8fb 100644
--- a/java/com/google/gerrit/server/rules/SubmitRule.java
+++ b/java/com/google/gerrit/server/rules/SubmitRule.java
@@ -15,7 +15,6 @@
 
 import com.google.gerrit.common.data.SubmitRecord;
 import com.google.gerrit.extensions.annotations.ExtensionPoint;
-import com.google.gerrit.server.project.SubmitRuleOptions;
 import com.google.gerrit.server.query.change.ChangeData;
 import java.util.Collection;
 
@@ -40,5 +39,5 @@
 @ExtensionPoint
 public interface SubmitRule {
   /** Returns a {@link Collection} of {@link SubmitRecord} status for the change. */
-  Collection<SubmitRecord> evaluate(ChangeData changeData, SubmitRuleOptions options);
+  Collection<SubmitRecord> evaluate(ChangeData changeData);
 }
diff --git a/javatests/com/google/gerrit/acceptance/api/change/ChangeSubmitRequirementIT.java b/javatests/com/google/gerrit/acceptance/api/change/ChangeSubmitRequirementIT.java
index f087b78..1842a9ec 100644
--- a/javatests/com/google/gerrit/acceptance/api/change/ChangeSubmitRequirementIT.java
+++ b/javatests/com/google/gerrit/acceptance/api/change/ChangeSubmitRequirementIT.java
@@ -26,7 +26,6 @@
 import com.google.gerrit.extensions.common.ChangeInfo;
 import com.google.gerrit.extensions.common.SubmitRequirementInfo;
 import com.google.gerrit.extensions.config.FactoryModule;
-import com.google.gerrit.server.project.SubmitRuleOptions;
 import com.google.gerrit.server.query.change.ChangeData;
 import com.google.gerrit.server.rules.SubmitRule;
 import com.google.inject.Module;
@@ -67,7 +66,7 @@
 
   private static class CustomSubmitRule implements SubmitRule {
     @Override
-    public Collection<SubmitRecord> evaluate(ChangeData changeData, SubmitRuleOptions options) {
+    public Collection<SubmitRecord> evaluate(ChangeData changeData) {
       SubmitRecord record = new SubmitRecord();
       record.labels = new ArrayList<>();
       record.status = SubmitRecord.Status.NOT_READY;
diff --git a/javatests/com/google/gerrit/acceptance/rest/TraceIT.java b/javatests/com/google/gerrit/acceptance/rest/TraceIT.java
index 56a9b69..15b9a93 100644
--- a/javatests/com/google/gerrit/acceptance/rest/TraceIT.java
+++ b/javatests/com/google/gerrit/acceptance/rest/TraceIT.java
@@ -46,7 +46,6 @@
 import com.google.gerrit.server.logging.PerformanceLogger;
 import com.google.gerrit.server.logging.TraceContext;
 import com.google.gerrit.server.project.CreateProjectArgs;
-import com.google.gerrit.server.project.SubmitRuleOptions;
 import com.google.gerrit.server.query.change.ChangeData;
 import com.google.gerrit.server.rules.SubmitRule;
 import com.google.gerrit.server.validators.ProjectCreationValidationListener;
@@ -680,7 +679,7 @@
     boolean failOnce;
 
     @Override
-    public Collection<SubmitRecord> evaluate(ChangeData changeData, SubmitRuleOptions options) {
+    public Collection<SubmitRecord> evaluate(ChangeData changeData) {
       if (failOnce) {
         failOnce = false;
         throw new IllegalStateException("forced failure from test");
diff --git a/javatests/com/google/gerrit/acceptance/server/rules/IgnoreSelfApprovalRuleIT.java b/javatests/com/google/gerrit/acceptance/server/rules/IgnoreSelfApprovalRuleIT.java
index 83782c9..37237c6 100644
--- a/javatests/com/google/gerrit/acceptance/server/rules/IgnoreSelfApprovalRuleIT.java
+++ b/javatests/com/google/gerrit/acceptance/server/rules/IgnoreSelfApprovalRuleIT.java
@@ -22,7 +22,6 @@
 import com.google.gerrit.common.data.LabelType;
 import com.google.gerrit.common.data.SubmitRecord;
 import com.google.gerrit.common.data.SubmitRequirement;
-import com.google.gerrit.server.project.SubmitRuleOptions;
 import com.google.gerrit.server.rules.IgnoreSelfApprovalRule;
 import com.google.inject.Inject;
 import java.util.Collection;
@@ -42,8 +41,7 @@
     PushOneCommit.Result r = createChange();
     approve(r.getChangeId());
 
-    Collection<SubmitRecord> submitRecords =
-        rule.evaluate(r.getChange(), SubmitRuleOptions.defaults());
+    Collection<SubmitRecord> submitRecords = rule.evaluate(r.getChange());
 
     assertThat(submitRecords).hasSize(1);
     SubmitRecord result = submitRecords.iterator().next();
@@ -69,8 +67,7 @@
     // Approve as admin
     approve(r.getChangeId());
 
-    Collection<SubmitRecord> submitRecords =
-        rule.evaluate(r.getChange(), SubmitRuleOptions.defaults());
+    Collection<SubmitRecord> submitRecords = rule.evaluate(r.getChange());
     assertThat(submitRecords).isEmpty();
   }
 
@@ -81,8 +78,7 @@
     PushOneCommit.Result r = createChange();
     approve(r.getChangeId());
 
-    Collection<SubmitRecord> submitRecords =
-        rule.evaluate(r.getChange(), SubmitRuleOptions.defaults());
+    Collection<SubmitRecord> submitRecords = rule.evaluate(r.getChange());
     assertThat(submitRecords).isEmpty();
   }
 
diff --git a/javatests/com/google/gerrit/acceptance/server/rules/PrologRuleEvaluatorIT.java b/javatests/com/google/gerrit/acceptance/server/rules/PrologRuleEvaluatorIT.java
index c6f2024..efc3b5b 100644
--- a/javatests/com/google/gerrit/acceptance/server/rules/PrologRuleEvaluatorIT.java
+++ b/javatests/com/google/gerrit/acceptance/server/rules/PrologRuleEvaluatorIT.java
@@ -21,8 +21,8 @@
 import com.google.gerrit.acceptance.TestAccount;
 import com.google.gerrit.common.data.SubmitRecord;
 import com.google.gerrit.reviewdb.client.Change;
-import com.google.gerrit.server.project.SubmitRuleOptions;
 import com.google.gerrit.server.query.change.ChangeData;
+import com.google.gerrit.server.rules.PrologOptions;
 import com.google.gerrit.server.rules.PrologRuleEvaluator;
 import com.google.gerrit.testing.TestChanges;
 import com.google.inject.Inject;
@@ -156,6 +156,6 @@
   }
 
   private PrologRuleEvaluator makeEvaluator() {
-    return evaluatorFactory.create(makeChangeData(), SubmitRuleOptions.defaults());
+    return evaluatorFactory.create(makeChangeData(), PrologOptions.defaultOptions());
   }
 }
diff --git a/polygerrit-ui/app/elements/change/gr-change-view/gr-change-view.js b/polygerrit-ui/app/elements/change/gr-change-view/gr-change-view.js
index 841e3d8..05bbb5b 100644
--- a/polygerrit-ui/app/elements/change/gr-change-view/gr-change-view.js
+++ b/polygerrit-ui/app/elements/change/gr-change-view/gr-change-view.js
@@ -60,6 +60,7 @@
   };
 
   const CHANGE_DATA_TIMING_LABEL = 'ChangeDataLoaded';
+  const CHANGE_RELOAD_TIMING_LABEL = 'ChangeReloaded';
   const SEND_REPLY_TIMING_LABEL = 'SendReply';
 
   Polymer({
@@ -1388,15 +1389,17 @@
 
     /**
      * Reload the change.
-     * @param {boolean=} opt_reloadRelatedChanges Reloads the related chanegs
-     *     when true.
+     * @param {boolean=} opt_isLocationChange Reloads the related changes
+     *     when true and ends reporting events that started on location change.
      * @return {Promise} A promise that resolves when the core data has loaded.
      *     Some non-core data loading may still be in-flight when the core data
      *     promise resolves.
      */
-    _reload(opt_reloadRelatedChanges) {
+    _reload(opt_isLocationChange) {
       this._loading = true;
       this._relatedChangesCollapsed = true;
+      this.$.reporting.time(CHANGE_RELOAD_TIMING_LABEL);
+      this.$.reporting.time(CHANGE_DATA_TIMING_LABEL);
 
       // Array to house all promises related to data requests.
       const allDataPromises = [];
@@ -1410,7 +1413,12 @@
       // change content may start appearing.
       const loadingFlagSet = detailCompletes
           .then(() => { this._loading = false; })
-          .then(() => { this.$.reporting.changeDisplayed(); });
+          .then(() => {
+            this.$.reporting.timeEnd(CHANGE_RELOAD_TIMING_LABEL);
+            if (opt_isLocationChange) {
+              this.$.reporting.changeDisplayed();
+            }
+          });
 
       // Resolves when the project config has loaded.
       const projectConfigLoaded = detailCompletes
@@ -1470,16 +1478,17 @@
         coreDataPromise = mergeabilityLoaded;
       }
 
-      if (opt_reloadRelatedChanges) {
+      if (opt_isLocationChange) {
         const relatedChangesLoaded = coreDataPromise
             .then(() => this.$.relatedChanges.reload());
         allDataPromises.push(relatedChangesLoaded);
       }
 
-      this.$.reporting.time(CHANGE_DATA_TIMING_LABEL);
       Promise.all(allDataPromises).then(() => {
         this.$.reporting.timeEnd(CHANGE_DATA_TIMING_LABEL);
-        this.$.reporting.changeFullyLoaded();
+        if (opt_isLocationChange) {
+          this.$.reporting.changeFullyLoaded();
+        }
       });
 
       return coreDataPromise;
diff --git a/polygerrit-ui/app/elements/change/gr-change-view/gr-change-view_test.html b/polygerrit-ui/app/elements/change/gr-change-view/gr-change-view_test.html
index e8de93b..79d8d93 100644
--- a/polygerrit-ui/app/elements/change/gr-change-view/gr-change-view_test.html
+++ b/polygerrit-ui/app/elements/change/gr-change-view/gr-change-view_test.html
@@ -1844,5 +1844,50 @@
       MockInteractions.tap(element.$.changeStar.$$('button'));
       assert.isTrue(stub.called);
     });
+
+    suite('gr-reporting tests', () => {
+      setup(() => {
+        element._patchRange = {
+          basePatchNum: 'PARENT',
+          patchNum: 1,
+        };
+        sandbox.stub(element, '_getChangeDetail').returns(Promise.resolve());
+        sandbox.stub(element, '_getProjectConfig').returns(Promise.resolve());
+        sandbox.stub(element, '_reloadComments').returns(Promise.resolve());
+        sandbox.stub(element, '_getMergeability').returns(Promise.resolve());
+        sandbox.stub(element, '_getLatestCommitMessage')
+            .returns(Promise.resolve());
+      });
+
+      test('don\'t report changedDisplayed on reply', done => {
+        const changeDisplayStub =
+          sandbox.stub(element.$.reporting, 'changeDisplayed');
+        const changeFullyLoadedStub =
+          sandbox.stub(element.$.reporting, 'changeFullyLoaded');
+        element._handleReplySent();
+        flush(() => {
+          assert.isFalse(changeDisplayStub.called);
+          assert.isFalse(changeFullyLoadedStub.called);
+          done();
+        });
+      });
+
+      test('report changedDisplayed on _paramsChanged', done => {
+        const changeDisplayStub =
+          sandbox.stub(element.$.reporting, 'changeDisplayed');
+        const changeFullyLoadedStub =
+          sandbox.stub(element.$.reporting, 'changeFullyLoaded');
+        element._paramsChanged({
+          view: Gerrit.Nav.View.CHANGE,
+          changeNum: 101,
+          project: 'test-project',
+        });
+        flush(() => {
+          assert.isTrue(changeDisplayStub.called);
+          assert.isTrue(changeFullyLoadedStub.called);
+          done();
+        });
+      });
+    });
   });
 </script>
diff --git a/polygerrit-ui/app/elements/shared/gr-account-chip/gr-account-chip.html b/polygerrit-ui/app/elements/shared/gr-account-chip/gr-account-chip.html
index 7f71c89..2f2c7ba 100644
--- a/polygerrit-ui/app/elements/shared/gr-account-chip/gr-account-chip.html
+++ b/polygerrit-ui/app/elements/shared/gr-account-chip/gr-account-chip.html
@@ -40,14 +40,8 @@
       :host([show-avatar]) .container {
         padding-left: 0;
       }
-      gr-button.remove:hover,
-      gr-button.remove:focus {
-        --gr-button: {
-          color: #333;
-        }
-      }
       gr-button.remove {
-        --gr-button: {
+        --gr-remove-button-style: {
           border: 0;
           color: var(--deemphasized-text-color);
           font-size: 1.7rem;
@@ -59,6 +53,19 @@
           text-decoration: none;
         }
       }
+
+      gr-button.remove:hover,
+      gr-button.remove:focus {
+        --gr-button: {
+          @apply --gr-remove-button-style
+          color: #333;
+        }
+      }
+      gr-button.remove {
+        --gr-button: {
+          @apply --gr-remove-button-style
+        }
+      }
       :host:focus {
         border-color: transparent;
         box-shadow: none;
diff --git a/polygerrit-ui/app/elements/shared/gr-autocomplete/gr-autocomplete.html b/polygerrit-ui/app/elements/shared/gr-autocomplete/gr-autocomplete.html
index b74e48c..46877d7 100644
--- a/polygerrit-ui/app/elements/shared/gr-autocomplete/gr-autocomplete.html
+++ b/polygerrit-ui/app/elements/shared/gr-autocomplete/gr-autocomplete.html
@@ -76,14 +76,31 @@
         on-focus="_onInputFocus"
         on-blur="_onInputBlur"
         autocomplete="off">
-      <!-- slot is for future use (2.x) while prefix attribute is for 1.x
-        (current) -->
-      <iron-icon
-          icon="gr-icons:search"
-          slot="prefix"
+
+      <template is="dom-if" if="[[_isPolymer2()]]">
+        <!-- Content uses vertical-align:baseline. If iron-icon is placed
+          directly in the slot and is not visible,  vertical-align doesn't
+          work, because display:none convert it from inline-block element to
+          block element. To fix this problem, iron-icon is wrapped in div
+          which never changes display type.
+          The problem doesn't exist in Polymer1 because DOM is different.
+          Applying the same fix to Polymer1 breaks vertical-align.
+        -->
+        <div slot="prefix">
+          <iron-icon
+            icon="gr-icons:search"
+            class$="searchIcon [[_computeShowSearchIconClass(showSearchIcon)]]">
+          </iron-icon>
+        </div>
+      </template>
+      <template is="dom-if" if="[[!_isPolymer2()]]">
+        <iron-icon
           prefix
+          icon="gr-icons:search"
           class$="searchIcon [[_computeShowSearchIconClass(showSearchIcon)]]">
-      </iron-icon>
+        </iron-icon>
+      </template>
+
     </paper-input>
     <gr-autocomplete-dropdown
         vertical-align="top"
diff --git a/polygerrit-ui/app/elements/shared/gr-autocomplete/gr-autocomplete.js b/polygerrit-ui/app/elements/shared/gr-autocomplete/gr-autocomplete.js
index 34f1ff9..af31473 100644
--- a/polygerrit-ui/app/elements/shared/gr-autocomplete/gr-autocomplete.js
+++ b/polygerrit-ui/app/elements/shared/gr-autocomplete/gr-autocomplete.js
@@ -425,5 +425,9 @@
     _computeShowSearchIconClass(showSearchIcon) {
       return showSearchIcon ? 'showSearchIcon' : '';
     },
+
+    _isPolymer2() {
+      return window.POLYMER2;
+    },
   });
 })();
diff --git a/polygerrit-ui/app/elements/shared/gr-autocomplete/gr-autocomplete_test.html b/polygerrit-ui/app/elements/shared/gr-autocomplete/gr-autocomplete_test.html
index 217321f..cff35b4 100644
--- a/polygerrit-ui/app/elements/shared/gr-autocomplete/gr-autocomplete_test.html
+++ b/polygerrit-ui/app/elements/shared/gr-autocomplete/gr-autocomplete_test.html
@@ -320,12 +320,15 @@
       });
     });
 
-    test('search icon shows with showSearchIcon property', () => {
-      assert.equal(getComputedStyle(element.$$('iron-icon')).display,
-          'none');
-      element.showSearchIcon = true;
-      assert.notEqual(getComputedStyle(element.$$('iron-icon')).display,
-          'none');
+    test('search icon shows with showSearchIcon property', done => {
+      flush(() => {
+        assert.equal(getComputedStyle(element.$$('iron-icon')).display,
+            'none');
+        element.showSearchIcon = true;
+        assert.notEqual(getComputedStyle(element.$$('iron-icon')).display,
+            'none');
+        done();
+      });
     });
 
     test('vertical offset overridden by param if it exists', () => {
diff --git a/polygerrit-ui/app/elements/shared/gr-button/gr-button.html b/polygerrit-ui/app/elements/shared/gr-button/gr-button.html
index 754c3c0..340297f 100644
--- a/polygerrit-ui/app/elements/shared/gr-button/gr-button.html
+++ b/polygerrit-ui/app/elements/shared/gr-button/gr-button.html
@@ -39,6 +39,37 @@
         text-transform: none;
       }
       paper-button {
+        /* The next lines contains a copy of paper-button style.
+          Without a copy, the @apply works incorrectly with Polymer 2.
+          @apply is deprecated and is not recommended to use. It is expected
+          that @apply will be replaced with the ::part CSS pseudo-element.
+          After replacecment copied lines can be removed.
+        */
+        @apply --layout-inline;
+        @apply --layout-center-center;
+        position: relative;
+        box-sizing: border-box;
+        min-width: 5.14em;
+        margin: 0 0.29em;
+        background: transparent;
+        -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
+        -webkit-tap-highlight-color: transparent;
+        font: inherit;
+        text-transform: uppercase;
+        outline-width: 0;
+        border-radius: 3px;
+        -moz-user-select: none;
+        -ms-user-select: none;
+        -webkit-user-select: none;
+        user-select: none;
+        cursor: pointer;
+        z-index: 0;
+        padding: 0.7em 0.57em;
+
+        @apply --paper-font-common-base;
+        @apply --paper-button;
+        /* End of copy*/
+
         /* paper-button sets this to anti-aliased, which appears different than
           bold font elsewhere on macOS. */
         -webkit-font-smoothing: initial;
diff --git a/polygerrit-ui/app/elements/shared/gr-linked-chip/gr-linked-chip.html b/polygerrit-ui/app/elements/shared/gr-linked-chip/gr-linked-chip.html
index f6332f4..939d582 100644
--- a/polygerrit-ui/app/elements/shared/gr-linked-chip/gr-linked-chip.html
+++ b/polygerrit-ui/app/elements/shared/gr-linked-chip/gr-linked-chip.html
@@ -37,14 +37,8 @@
         display: inline-flex;
         padding: 0 .5em;
       }
-      gr-button.remove:hover,
-      gr-button.remove:focus {
-        --gr-button: {
-          color: #333;
-        }
-      }
       gr-button.remove {
-        --gr-button: {
+        --gr-remove-button-style: {
           border: 0;
           color: var(--deemphasized-text-color);
           font-size: 1.7rem;
@@ -56,6 +50,19 @@
           text-decoration: none;
         }
       }
+
+      gr-button.remove:hover,
+      gr-button.remove:focus {
+        --gr-button: {
+          @apply --gr-remove-button-style
+          color: #333;
+        }
+      }
+      gr-button.remove {
+        --gr-button: {
+          @apply --gr-remove-button-style
+        }
+      }
       .transparentBackground,
       gr-button.transparentBackground {
         background-color: transparent;
diff --git a/polygerrit-ui/app/styles/gr-voting-styles.html b/polygerrit-ui/app/styles/gr-voting-styles.html
index 3b1ee64..eec79be 100644
--- a/polygerrit-ui/app/styles/gr-voting-styles.html
+++ b/polygerrit-ui/app/styles/gr-voting-styles.html
@@ -23,6 +23,7 @@
           border: 1px solid rgba(0,0,0,.12);
           border-radius: 1em;
           box-shadow: none;
+          box-sizing: border-box;
           min-width: 3em;
         }
       }