Add return values to SyncerCommand

chrome/browser/sync/engine/post_commit_message_command.cc

Index: chrome/browser/sync/engine/post_commit_message_command.cc
diff --git a/chrome/browser/sync/engine/post_commit_message_command.cc b/chrome/browser/sync/engine/post_commit_message_command.cc
index c70a1936d96d4b69165effccf1faf9e8bd105b76..4379a80d77aa2e966ea69096630862a56363f979 100644
--- a/chrome/browser/sync/engine/post_commit_message_command.cc
+++ b/chrome/browser/sync/engine/post_commit_message_command.cc
@@ -1,4 +1,4 @@
-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
@@ -19,14 +19,15 @@ namespace browser_sync {
 PostCommitMessageCommand::PostCommitMessageCommand() {}
 PostCommitMessageCommand::~PostCommitMessageCommand() {}
 
-void PostCommitMessageCommand::ExecuteImpl(sessions::SyncSession* session) {
+SyncerError PostCommitMessageCommand::ExecuteImpl(
+    sessions::SyncSession* session) {
   if (session->status_controller().commit_ids().empty())
-    return;  // Nothing to commit.
+    return SYNCER_OK;  // Nothing to commit.
   ClientToServerResponse response;
   syncable::ScopedDirLookup dir(session->context()->directory_manager(),
                                 session->context()->account_name());
   if (!dir.good())
-    return;
+    return DIRECTORY_LOOKUP_FAILED;
   sessions::StatusController* status = session->mutable_status_controller();
   if (!SyncerProtoUtil::PostClientToServerMessage(status->commit_message(),
           &response, session)) {
@@ -41,11 +42,13 @@ void PostCommitMessageCommand::ExecuteImpl(sessions::SyncSession* session) {
       syncable::MutableEntry entry(&trans, syncable::GET_BY_ID, commit_ids[i]);
       entry.Put(syncable::SYNCING, false);
     }
-    return;
+    return SYNCER_OK; // TODO(rlarocque): Return an error here.
   } else {
     status->set_items_committed();
   }
+
   status->mutable_commit_response()->CopyFrom(response);
+  return SYNCER_OK;
 }
 
 }  // namespace browser_sync