Standardize usage of virtual/override/final in content/renderer/

content/renderer/media/video_source_handler_unittest.cc

 // Copyright (c) 2013 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.
 
 #include <string>
 
 #include "base/message_loop/message_loop.h"
 #include "base/strings/utf_string_conversions.h"
 #include "content/child/child_process.h"
 #include "content/common/media/video_capture.h"
 #include "content/public/renderer/media_stream_video_sink.h"
 #include "content/renderer/media/media_stream.h"
 #include "content/renderer/media/media_stream_registry_interface.h"
 #include "content/renderer/media/mock_media_stream_registry.h"
 #include "content/renderer/media/video_source_handler.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "third_party/WebKit/public/platform/WebMediaStreamTrack.h"
 #include "third_party/WebKit/public/platform/WebString.h"
 #include "third_party/WebKit/public/web/WebHeap.h"
 
 namespace content {
 
 static const std::string kTestStreamUrl = "stream_url";
 static const std::string kTestVideoTrackId = "video_track_id";
 static const std::string kUnknownStreamUrl = "unknown_stream_url";
 
 class FakeFrameReader : public FrameReaderInterface {
  public:
-  virtual void GotFrame(
-      const scoped_refptr<media::VideoFrame>& frame) override {
+  void GotFrame(const scoped_refptr<media::VideoFrame>& frame) override {
     last_frame_ = frame;
   }
 
   const media::VideoFrame* last_frame() {
     return last_frame_.get();
   }
 
  private:
   scoped_refptr<media::VideoFrame> last_frame_;
 };
@@ skipping 51 matching lines @@
   EXPECT_FALSE(handler_->Close(NULL));
   EXPECT_TRUE(handler_->Close(&reader));
 }
 
 TEST_F(VideoSourceHandlerTest, OpenWithoutClose) {
   FakeFrameReader reader;
   EXPECT_TRUE(handler_->Open(kTestStreamUrl, &reader));
 }
 
 }  // namespace content