[Sync] Add support for automatic enabling of syncing tab favicons.

chrome/browser/sync/glue/sync_backend_host_unittest.cc

 // 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.
 
 #include "chrome/browser/sync/glue/sync_backend_host.h"
 
 #include <cstddef>
 
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop.h"
 #include "chrome/browser/sync/sync_prefs.h"
 #include "chrome/test/base/testing_profile.h"
 #include "content/test/test_browser_thread.h"
 #include "content/test/test_url_fetcher_factory.h"
 #include "googleurl/src/gurl.h"
 #include "sync/engine/model_safe_worker.h"
 #include "sync/protocol/encryption.pb.h"
 #include "sync/protocol/sync_protocol_error.h"
 #include "sync/syncable/model_type.h"
+#include "sync/util/experiments.h"
 #include "sync/util/test_unrecoverable_error_handler.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using content::BrowserThread;
 
 namespace browser_sync {
 
 namespace {
 
 class MockSyncFrontend : public SyncFrontend {
  public:
   virtual ~MockSyncFrontend() {}
 
   MOCK_METHOD2(OnBackendInitialized, void(const WeakHandle<JsBackend>&, bool));
   MOCK_METHOD0(OnSyncCycleCompleted, void());
   MOCK_METHOD1(OnConnectionStatusChange,
                void(sync_api::ConnectionStatus status));
   MOCK_METHOD0(OnStopSyncingPermanently, void());
   MOCK_METHOD0(OnClearServerDataSucceeded, void());
   MOCK_METHOD0(OnClearServerDataFailed, void());
   MOCK_METHOD2(OnPassphraseRequired,
                void(sync_api::PassphraseRequiredReason,
                     const sync_pb::EncryptedData&));
   MOCK_METHOD0(OnPassphraseAccepted, void());
   MOCK_METHOD2(OnEncryptedTypesChanged,
                void(syncable::ModelTypeSet, bool));
   MOCK_METHOD0(OnEncryptionComplete, void());
   MOCK_METHOD1(OnMigrationNeededForTypes, void(syncable::ModelTypeSet));
-  MOCK_METHOD1(OnDataTypesChanged, void(syncable::ModelTypeSet));
+  MOCK_METHOD1(OnExperimentsChanged,
+      void(const browser_sync::Experiments&));
   MOCK_METHOD1(OnActionableError,
       void(const browser_sync::SyncProtocolError& sync_error));
   MOCK_METHOD0(OnSyncConfigureRetry, void());
 };
 
 }  // namespace
 
 class SyncBackendHostTest : public testing::Test {
  protected:
   SyncBackendHostTest()
@@ skipping 47 matching lines @@
                      true,
                      &handler,
                      NULL);
   backend.StopSyncingForShutdown();
   backend.Shutdown(false);
 }
 
 // TODO(akalin): Write more SyncBackendHost unit tests.
 
 }  // namespace browser_sync