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

components/sync/test/engine/mock_nudge_handler.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_TEST_ENGINE_MOCK_NUDGE_HANDLER_H_
 #define COMPONENTS_SYNC_TEST_ENGINE_MOCK_NUDGE_HANDLER_H_
 
 #include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "components/sync/base/model_type.h"
 #include "components/sync/engine_impl/nudge_handler.h"
 
 namespace syncer {
 
 class MockNudgeHandler : public NudgeHandler {
  public:
   MockNudgeHandler();
   ~MockNudgeHandler() override;
 
-  void NudgeForInitialDownload(syncer::ModelType type) override;
-  void NudgeForCommit(syncer::ModelType type) override;
-  void NudgeForRefresh(syncer::ModelType type) override;
+  void NudgeForInitialDownload(ModelType type) override;
+  void NudgeForCommit(ModelType type) override;
+  void NudgeForRefresh(ModelType type) override;
 
   int GetNumInitialDownloadNudges() const;
   int GetNumCommitNudges() const;
   int GetNumRefreshNudges() const;
 
   void ClearCounters();
 
  private:
   int num_initial_nudges_;
   int num_commit_nudges_;
   int num_refresh_nudges_;
 
   DISALLOW_COPY_AND_ASSIGN(MockNudgeHandler);
 };
 
 }  // namespace syncer
 
 #endif  // COMPONENTS_SYNC_TEST_ENGINE_MOCK_NUDGE_HANDLER_H_