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

chrome/browser/chromeos/gdata/gdata_system_service.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/chromeos/gdata/gdata_system_service.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
+#include "base/command_line.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/download/download_service.h"
 #include "chrome/browser/download/download_service_factory.h"
 #include "chrome/browser/chromeos/gdata/drive_webapps_registry.h"
 #include "chrome/browser/chromeos/gdata/gdata_file_system_proxy.h"
 #include "chrome/browser/chromeos/gdata/gdata_documents_service.h"
 #include "chrome/browser/chromeos/gdata/gdata_download_observer.h"
 #include "chrome/browser/chromeos/gdata/gdata_file_system.h"
 #include "chrome/browser/chromeos/gdata/gdata_sync_client.h"
 #include "chrome/browser/chromeos/gdata/gdata_uploader.h"
 #include "chrome/browser/chromeos/gdata/gdata_util.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/profiles/profile_dependency_manager.h"
+#include "chrome/common/chrome_switches.h"
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/browser_thread.h"
 #include "webkit/fileapi/file_system_context.h"
 #include "webkit/fileapi/file_system_mount_point_provider.h"
 
 using content::BrowserContext;
 using content::BrowserThread;
 
 namespace gdata {
 
@@ skipping 24 matching lines @@
 }
 
 GDataSystemService::~GDataSystemService() {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   cache_->DestroyOnUIThread();
 }
 
 void GDataSystemService::Initialize() {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 
+
+  if (CommandLine::ForCurrentProcess()->HasSwitch(
+          switches::kEnableDriveV2Api)) {
+    DVLOG(1) << "Using Drive v2 API.";
+    use_drive_api_ = true;
+  }
+
   sync_client_->Initialize();
-  file_system_->Initialize();
+  file_system_->Initialize(use_drive_api_);
   cache_->RequestInitializeOnUIThread();
 
   content::DownloadManager* download_manager =
     g_browser_process->download_status_updater() ?
         BrowserContext::GetDownloadManager(profile_) : NULL;
   download_observer_->Initialize(
       uploader_.get(),
       download_manager,
       cache_->GetCacheDirectoryPath(
           GDataCache::CACHE_TYPE_TMP_DOWNLOADS));
@@ skipping 67 matching lines @@
 }
 
 ProfileKeyedService* GDataSystemServiceFactory::BuildServiceInstanceFor(
     Profile* profile) const {
   GDataSystemService* service = new GDataSystemService(profile);
   service->Initialize();
   return service;
 }
 
 }  // namespace gdata