Visualize in which revisions a merged change is included

Introduced a new "Included in" panel on merged changes. The panel
will produce sorted lists all branches and tags which contains the
merged change.

Provides a simple way for users to determine in which revisions of
the project the change is included.

Change-Id: If94b2604607f53a2e45330b56d55cc5de8288054

gerrit-common/src/main/java/com/google/gerrit/common/data/ChangeDetailService.java

@@ -26,6 +26,8 @@ import com.google.gwtjsonrpc.client.RpcImpl.Version;
 public interface ChangeDetailService extends RemoteJsonService {
   void changeDetail(Change.Id id, AsyncCallback<ChangeDetail> callback);
 
+  void includedInDetail(Change.Id id, AsyncCallback<IncludedInDetail> callback);
+
   void patchSetDetail(PatchSet.Id key, AsyncCallback<PatchSetDetail> callback);
 
   @SignInRequired

gerrit-common/src/main/java/com/google/gerrit/common/data/IncludedInDetail.java

@@ -0,0 +1,44 @@
+// Copyright (C) 2010 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.common.data;
+
+import java.util.Collections;
+import java.util.List;
+
+public class IncludedInDetail {
+  private List<String> branches;
+  private List<String> tags;
+
+  public IncludedInDetail() {
+  }
+
+  public void setBranches(final List<String> b) {
+    Collections.sort(b);
+    branches = b;
+  }
+
+  public List<String> getBranches() {
+    return branches;
+  }
+
+  public void setTags(final List<String> t) {
+    Collections.sort(t);
+    tags = t;
+  }
+
+  public List<String> getTags() {
+    return tags;
+  }
+}