Merge changes I550ae6b0,Ibfbc7f70

* changes:
  Use account suggestion to suggest assignees
  SuggestAfterTypingNCharsOracle: Handle null query to avoid TypeError
diff --git a/gerrit-gwtui/src/main/java/com/google/gerrit/client/SearchSuggestOracle.java b/gerrit-gwtui/src/main/java/com/google/gerrit/client/SearchSuggestOracle.java
index 000e5fd..066464a 100644
--- a/gerrit-gwtui/src/main/java/com/google/gerrit/client/SearchSuggestOracle.java
+++ b/gerrit-gwtui/src/main/java/com/google/gerrit/client/SearchSuggestOracle.java
@@ -27,11 +27,11 @@
 
 public class SearchSuggestOracle extends HighlightSuggestOracle {
   private static final List<ParamSuggester> paramSuggester = Arrays.asList(
-      new ParamSuggester(Arrays.asList("project:", "parentproject:"),
+      new ParamSuggester(Arrays.asList("project:", "p:", "parentproject:"),
           new ProjectNameSuggestOracle()),
       new ParamSuggester(Arrays.asList(
-          "owner:", "reviewer:", "commentby:", "reviewedby:", "author:",
-          "committer:", "from:", "assignee:"),
+          "owner:", "o:", "reviewer:", "r:", "commentby:", "reviewedby:",
+          "author:", "committer:", "from:", "assignee:"),
           new AccountSuggestOracle() {
             @Override
             public void onRequestSuggestions(final Request request, final Callback done) {