Enforce marking "override" for functions overriding Blink in components/test_runner/.

components/test_runner/mock_web_media_stream_center.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_TEST_RUNNER_MOCK_WEB_MEDIA_STREAM_CENTER_H_
 #define COMPONENTS_TEST_RUNNER_MOCK_WEB_MEDIA_STREAM_CENTER_H_
 
 #include "base/basictypes.h"
 #include "components/test_runner/web_task.h"
 #include "third_party/WebKit/public/platform/WebMediaStreamCenter.h"
 
 namespace blink {
 class WebAudioSourceProvider;
 class WebMediaStreamCenterClient;
 };
 
 namespace test_runner {
 
 class TestInterfaces;
 
 class MockWebMediaStreamCenter : public blink::WebMediaStreamCenter {
  public:
   MockWebMediaStreamCenter(blink::WebMediaStreamCenterClient* client,
                            TestInterfaces* interfaces);
-  virtual ~MockWebMediaStreamCenter();
+  ~MockWebMediaStreamCenter() override;
 
-  virtual void didEnableMediaStreamTrack(
-      const blink::WebMediaStreamTrack& track);
-  virtual void didDisableMediaStreamTrack(
-      const blink::WebMediaStreamTrack& track);
-  virtual bool didAddMediaStreamTrack(const blink::WebMediaStream& stream,
-                                      const blink::WebMediaStreamTrack& track);
-  virtual bool didRemoveMediaStreamTrack(
+  void didEnableMediaStreamTrack(
+      const blink::WebMediaStreamTrack& track) override;
+  void didDisableMediaStreamTrack(
+      const blink::WebMediaStreamTrack& track) override;
+  bool didAddMediaStreamTrack(const blink::WebMediaStream& stream,
+                              const blink::WebMediaStreamTrack& track) override;
+  bool didRemoveMediaStreamTrack(
       const blink::WebMediaStream& stream,
-      const blink::WebMediaStreamTrack& track);
-  virtual void didStopLocalMediaStream(const blink::WebMediaStream& stream);
-  virtual bool didStopMediaStreamTrack(const blink::WebMediaStreamTrack& track);
-  virtual void didCreateMediaStream(blink::WebMediaStream& stream);
-  virtual blink::WebAudioSourceProvider*
-      createWebAudioSourceFromMediaStreamTrack(
-          const blink::WebMediaStreamTrack& track);
+      const blink::WebMediaStreamTrack& track) override;
+  void didStopLocalMediaStream(const blink::WebMediaStream& stream) override;
+  bool didStopMediaStreamTrack(
+      const blink::WebMediaStreamTrack& track) override;
+  void didCreateMediaStream(blink::WebMediaStream& stream) override;
+  blink::WebAudioSourceProvider* createWebAudioSourceFromMediaStreamTrack(
+      const blink::WebMediaStreamTrack& track) override;
 
   // Task related methods
   WebTaskList* mutable_task_list() { return &task_list_; }
 
  private:
   WebTaskList task_list_;
   TestInterfaces* interfaces_;
 
   DISALLOW_COPY_AND_ASSIGN(MockWebMediaStreamCenter);
 };
 
 }  // namespace test_runner
 
 #endif  // COMPONENTS_TEST_RUNNER_MOCK_WEB_MEDIA_STREAM_CENTER_H_