[Sync] Put everything in sync/api into csync namespace

chrome/browser/sync/glue/data_type_error_handler.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_DATA_TYPE_ERROR_HANDLER_H__
 #define CHROME_BROWSER_SYNC_GLUE_DATA_TYPE_ERROR_HANDLER_H__
 #pragma once
 
 #include <string>
 #include "base/location.h"
 
 #include "sync/api/sync_error.h"
 #include "sync/internal_api/public/syncable/model_type.h"
 #include "sync/internal_api/public/util/unrecoverable_error_handler.h"
 
 namespace browser_sync {
 
 class DataTypeErrorHandler {
  public:
   // Call this to disable a datatype while it is running. This is usually
   // called for a runtime failure that is specific to a datatype.
   virtual void OnSingleDatatypeUnrecoverableError(
       const tracked_objects::Location& from_here,
       const std::string& message) = 0;
 
-  // This will create a SyncError object. This will also upload
+  // This will create a csync::SyncError object. This will also upload
   // a breakpad call stack to crash server. A sync error usually means
   // that sync has to be disabled either for that type or completely.
-  virtual SyncError CreateAndUploadError(
+  virtual csync::SyncError CreateAndUploadError(
       const tracked_objects::Location& location,
       const std::string& message,
       syncable::ModelType type) = 0;
 
  protected:
   virtual ~DataTypeErrorHandler() { }
 };
 
 }  // namespace browser_sync
 #endif  // CHROME_BROWSER_SYNC_GLUE_DATA_TYPE_ERROR_HANDLER_H__