[Sync] Fix namespace for sync_driver component

chrome/browser/sync/glue/sync_backend_host.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_SYNC_GLUE_SYNC_BACKEND_HOST_H_
 #define CHROME_BROWSER_SYNC_GLUE_SYNC_BACKEND_HOST_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 16 matching lines @@
 
 namespace base {
 class MessageLoop;
 }
 
 namespace syncer {
 class NetworkResources;
 class SyncManagerFactory;
 }
 
+namespace sync_driver {
+class ChangeProcessor;
+class SyncFrontend;
+}
+
 namespace browser_sync {
 
-class ChangeProcessor;
-class SyncFrontend;
 class SyncedDeviceTracker;
 
 // An API to "host" the top level SyncAPI element.
 //
 // This class handles dispatch of potentially blocking calls to appropriate
 // threads and ensures that the SyncFrontend is only accessed on the UI loop.
-class SyncBackendHost : public BackendDataTypeConfigurer {
+class SyncBackendHost : public sync_driver::BackendDataTypeConfigurer {
  public:
   typedef syncer::SyncStatus Status;
 
   // Stubs used by implementing classes.
   SyncBackendHost();
   virtual ~SyncBackendHost();
 
   // Called on the frontend's thread to kick off asynchronous initialization.
   // Optionally deletes the "Sync Data" folder during init in order to make
   // sure we're starting fresh.
   //
   // |report_unrecoverable_error_function| can be NULL.  Note:
   // |unrecoverable_error_handler| may be invoked from any thread.
   virtual void Initialize(
-      SyncFrontend* frontend,
+      sync_driver::SyncFrontend* frontend,
       scoped_ptr<base::Thread> sync_thread,
       const syncer::WeakHandle<syncer::JsEventHandler>& event_handler,
       const GURL& service_url,
       const syncer::SyncCredentials& credentials,
       bool delete_sync_data_folder,
       scoped_ptr<syncer::SyncManagerFactory> sync_manager_factory,
       scoped_ptr<syncer::UnrecoverableErrorHandler> unrecoverable_error_handler,
       syncer::ReportUnrecoverableErrorFunction
           report_unrecoverable_error_function,
       syncer::NetworkResources* network_resources) = 0;
@@ skipping 140 matching lines @@
   virtual void DisableDirectoryTypeDebugInfoForwarding() = 0;
 
   virtual base::MessageLoop* GetSyncLoopForTesting() = 0;
 
   DISALLOW_COPY_AND_ASSIGN(SyncBackendHost);
 };
 
 }  // namespace browser_sync
 
 #endif  // CHROME_BROWSER_SYNC_GLUE_SYNC_BACKEND_HOST_H_