Use Drive v2 API: enable behind --enable-drive-api flag

chrome/browser/chromeos/gdata/mock_gdata_file_system.h

 // 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.
 
 #ifndef CHROME_BROWSER_CHROMEOS_GDATA_MOCK_GDATA_FILE_SYSTEM_H_
 #define CHROME_BROWSER_CHROMEOS_GDATA_MOCK_GDATA_FILE_SYSTEM_H_
 #pragma once
 
 #include <string>
 
 #include "chrome/browser/chromeos/gdata/gdata_file_system.h"
 #include "testing/gmock/include/gmock/gmock.h"
 
 namespace gdata {
 
 // Mock for GDataFileSystemInterface.
 class MockGDataFileSystem : public GDataFileSystemInterface {
  public:
   MockGDataFileSystem();
   virtual ~MockGDataFileSystem();
 
   // GDataFileSystemInterface overrides.
-  MOCK_METHOD0(Initialize, void());
+  MOCK_METHOD1(Initialize, void(bool));
   MOCK_METHOD1(AddObserver, void(Observer* observer));
   MOCK_METHOD1(RemoveObserver, void(Observer* observer));
   MOCK_METHOD0(StartUpdates, void());
   MOCK_METHOD0(StopUpdates, void());
   MOCK_METHOD0(CheckForUpdates, void());
   MOCK_METHOD2(GetFileInfoByResourceId,
                void(const std::string& resource_id,
                     const GetFileInfoWithFilePathCallback& callback));
   MOCK_METHOD2(Search, void(const std::string& search_query,
                             const SearchCallback& callback));
@@ skipping 54 matching lines @@
                     const FilePath& file,
                     DocumentEntry* entry,
                     const FilePath& file_content_path,
                     GDataCache::FileOperationType cache_operation,
                     const base::Closure& callback));
 };
 
 }  // namespace gdata
 
 #endif  // CHROME_BROWSER_CHROMEOS_GDATA_MOCK_GDATA_FILE_SYSTEM_H_