Add OVERRIDE to media/.

media/video/capture/win/video_capture_device_win.h

 // Copyright (c) 2011 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.
 
 // Windows specific implementation of VideoCaptureDevice.
 // DirectShow is used for capturing. DirectShow provide it's own threads
 // for capturing.
 
 #ifndef MEDIA_VIDEO_CAPTURE_WIN_VIDEO_CAPTURE_DEVICE_WIN_H_
 #define MEDIA_VIDEO_CAPTURE_WIN_VIDEO_CAPTURE_DEVICE_WIN_H_
@@ skipping 22 matching lines @@
   explicit VideoCaptureDeviceWin(const Name& device_name);
   virtual ~VideoCaptureDeviceWin();
   // Opens the device driver for this device.
   // This function is used by the static VideoCaptureDevice::Create function.
   bool Init();
 
   // VideoCaptureDevice implementation.
   virtual void Allocate(int width,
                         int height,
                         int frame_rate,
-                        VideoCaptureDevice::EventHandler* observer);
-  virtual void Start();
-  virtual void Stop();
-  virtual void DeAllocate();
-  virtual const Name& device_name();
+                        VideoCaptureDevice::EventHandler* observer) OVERRIDE;
+  virtual void Start() OVERRIDE;
+  virtual void Stop() OVERRIDE;
+  virtual void DeAllocate() OVERRIDE;
+  virtual const Name& device_name() OVERRIDE;
 
  private:
   enum InternalState {
     kIdle,  // The device driver is opened but camera is not in use.
     kAllocated,  // The camera has been allocated and can be started.
     kCapturing,  // Video is being captured.
     kError  // Error accessing HW functions.
             // User needs to recover by destroying the object.
   };
   typedef std::map<int, Capability> CapabilityMap;
@@ skipping 25 matching lines @@
 
   // Map of all capabilities this device support.
   CapabilityMap capabilities_;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(VideoCaptureDeviceWin);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_VIDEO_CAPTURE_WIN_VIDEO_CAPTURE_DEVICE_WIN_H_