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

content/browser/media/capture/desktop_capture_device.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 "content/browser/media/capture/desktop_capture_device.h"
 
 #include "base/bind.h"
 #include "base/location.h"
 #include "base/logging.h"
 #include "base/metrics/histogram.h"
@@ skipping 35 matching lines @@
       result.x(), result.y(), result.right(), result.bottom());
 }
 
 }  // namespace
 
 class DesktopCaptureDevice::Core : public webrtc::DesktopCapturer::Callback {
  public:
   Core(scoped_refptr<base::SingleThreadTaskRunner> task_runner,
        scoped_ptr<webrtc::DesktopCapturer> capturer,
        DesktopMediaID::Type type);
-  virtual ~Core();
+  ~Core() override;
 
   // Implementation of VideoCaptureDevice methods.
   void AllocateAndStart(const media::VideoCaptureParams& params,
                         scoped_ptr<Client> client);
 
   void SetNotificationWindowId(gfx::NativeViewId window_id);
 
  private:
 
   // webrtc::DesktopCapturer::Callback interface
-  virtual webrtc::SharedMemory* CreateSharedMemory(size_t size) override;
-  virtual void OnCaptureCompleted(webrtc::DesktopFrame* frame) override;
+  webrtc::SharedMemory* CreateSharedMemory(size_t size) override;
+  void OnCaptureCompleted(webrtc::DesktopFrame* frame) override;
 
   // Chooses new output properties based on the supplied source size and the
   // properties requested to Allocate(), and dispatches OnFrameInfo[Changed]
   // notifications.
   void RefreshCaptureFormat(const webrtc::DesktopSize& frame_size);
 
   // Method that is scheduled on |task_runner_| to be called on regular interval
   // to capture a frame.
   void OnCaptureTimer();
 
@@ skipping 399 matching lines @@
 #else
   base::MessageLoop::Type thread_type = base::MessageLoop::TYPE_DEFAULT;
 #endif
 
   thread_.StartWithOptions(base::Thread::Options(thread_type, 0));
 
   core_.reset(new Core(thread_.message_loop_proxy(), capturer.Pass(), type));
 }
 
 }  // namespace content