Merge "Buck: Adjust to upstream change: "default java targeted to be Java 7""
diff --git a/gerrit-gwtui/src/main/java/com/google/gerrit/client/change/Topic.java b/gerrit-gwtui/src/main/java/com/google/gerrit/client/change/Topic.java
index e9f07c1..512203a 100644
--- a/gerrit-gwtui/src/main/java/com/google/gerrit/client/change/Topic.java
+++ b/gerrit-gwtui/src/main/java/com/google/gerrit/client/change/Topic.java
@@ -18,7 +18,6 @@
 import com.google.gerrit.client.changes.ChangeApi;
 import com.google.gerrit.client.changes.ChangeInfo;
 import com.google.gerrit.client.rpc.GerritCallback;
-import com.google.gerrit.client.ui.BranchLink;
 import com.google.gerrit.client.ui.InlineHyperlink;
 import com.google.gerrit.common.PageLinks;
 import com.google.gerrit.reviewdb.client.PatchSet;
@@ -84,14 +83,12 @@
   }
 
   private void initTopicLink(ChangeInfo info) {
-    text.setText(info.topic());
-    text.setTargetHistoryToken(
-        PageLinks.toChangeQuery(
-            BranchLink.query(
-                info.project_name_key(),
-                info.status(),
-                info.branch(),
-                info.topic())));
+    if (info.topic() != null && !info.topic().isEmpty()) {
+      text.setText(info.topic());
+      text.setTargetHistoryToken(
+          PageLinks.toChangeQuery(
+              PageLinks.op("topic", info.topic())));
+    }
   }
 
   boolean canEdit() {
diff --git a/gerrit-server/src/main/java/com/google/gerrit/server/change/PostReviewers.java b/gerrit-server/src/main/java/com/google/gerrit/server/change/PostReviewers.java
index 6fd9002..7f6fc97 100644
--- a/gerrit-server/src/main/java/com/google/gerrit/server/change/PostReviewers.java
+++ b/gerrit-server/src/main/java/com/google/gerrit/server/change/PostReviewers.java
@@ -273,7 +273,7 @@
         toMail.add(psa.getAccountId());
       }
     }
-    if (!added.isEmpty()) {
+    if (!toMail.isEmpty()) {
       try {
         AddReviewerSender cm = addReviewerSenderFactory.create(change);
         cm.setFrom(currentUser.getAccountId());