[Sync] Move //components/sync to the syncer namespace.

components/sync/api/data_type_error_handler_impl.h

 // Copyright 2014 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 COMPONENTS_SYNC_API_DATA_TYPE_ERROR_HANDLER_IMPL_H__
 #define COMPONENTS_SYNC_API_DATA_TYPE_ERROR_HANDLER_IMPL_H__
 
 #include <memory>
 #include <string>
 
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "base/memory/ref_counted.h"
 #include "base/single_thread_task_runner.h"
 #include "components/sync/api/data_type_error_handler.h"
 
 namespace syncer {
 
 // The standard implementation of DataTypeErrorHandler.
 class DataTypeErrorHandlerImpl : public DataTypeErrorHandler {
  public:
-  typedef base::Callback<void(const syncer::SyncError&)> ErrorCallback;
+  typedef base::Callback<void(const SyncError&)> ErrorCallback;
 
   DataTypeErrorHandlerImpl(
       const scoped_refptr<base::SingleThreadTaskRunner>& ui_thread,
       const base::Closure& dump_stack,
       const ErrorCallback& sync_callback);
   ~DataTypeErrorHandlerImpl() override;
 
   void OnUnrecoverableError(const SyncError& error) override;
   SyncError CreateAndUploadError(const tracked_objects::Location& location,
                                  const std::string& message,
@@ skipping 11 matching lines @@
 
   // The callback used to inform sync of the error on the |ui_thread_|.
   ErrorCallback sync_callback_;
 
   DISALLOW_COPY_AND_ASSIGN(DataTypeErrorHandlerImpl);
 };
 
 }  // namespace syncer
 
 #endif  // COMPONENTS_SYNC_API_DATA_TYPE_ERROR_HANDLER_IMPL_H__