Enable sync for the settings from the Extension Settings API.

chrome/browser/extensions/test_extension_service.h

 // Copyright (c) 2011 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.
 
 #ifndef CHROME_BROWSER_EXTENSIONS_TEST_EXTENSION_SERVICE_H_
 #define CHROME_BROWSER_EXTENSIONS_TEST_EXTENSION_SERVICE_H_
 #pragma once
 
 #include <string>
 #include <vector>
 
 #include "chrome/browser/extensions/extension_service.h"
 
 class CrxInstaller;
 
 // Implemention of ExtensionServiceInterface with default
 // implementations for methods that add failures.  You should subclass
 // this and override the methods you care about.
 class TestExtensionService : public ExtensionServiceInterface {
  public:
   virtual ~TestExtensionService();
 
   // ExtensionServiceInterface implementation.
   virtual const ExtensionList* extensions() const OVERRIDE;
+  virtual const ExtensionList* disabled_extensions() const OVERRIDE;
+  virtual const ExtensionList* terminated_extensions() const OVERRIDE;
   virtual PendingExtensionManager* pending_extension_manager() OVERRIDE;
 
   virtual bool UpdateExtension(
       const std::string& id,
       const FilePath& path,
       const GURL& download_url,
       CrxInstaller** out_crx_installer) OVERRIDE;
   virtual const Extension* GetExtensionById(
       const std::string& id, bool include_disabled) const OVERRIDE;
   virtual const Extension* GetInstalledExtension(
@@ skipping 13 matching lines @@
       const SyncDataList& initial_sync_data,
       SyncChangeProcessor* sync_processor) OVERRIDE;
   virtual void StopSyncing(syncable::ModelType type) OVERRIDE;
   virtual SyncDataList GetAllSyncData(syncable::ModelType type) const OVERRIDE;
   virtual SyncError ProcessSyncChanges(
       const tracked_objects::Location& from_here,
       const SyncChangeList& change_list) OVERRIDE;
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_TEST_EXTENSION_SERVICE_H_