Update {virtual,override,final} to follow C++11 style in remoting.

remoting/client/jni/jni_frame_consumer.h

Index: remoting/client/jni/jni_frame_consumer.h
diff --git a/remoting/client/jni/jni_frame_consumer.h b/remoting/client/jni/jni_frame_consumer.h
index 3368a98ff9210e6486f5137a38f8a7c691fcd555..e69501cfa0d0792145180117f499da918863e51c 100644
--- a/remoting/client/jni/jni_frame_consumer.h
+++ b/remoting/client/jni/jni_frame_consumer.h
@@ -34,21 +34,21 @@ class JniFrameConsumer : public FrameConsumer {
   explicit JniFrameConsumer(ChromotingJniRuntime* jni_runtime,
                             scoped_refptr<ChromotingJniInstance> jni_instance);
 
-  virtual ~JniFrameConsumer();
+  ~JniFrameConsumer() override;
 
   // This must be called once before the producer's source size is set.
   void set_frame_producer(FrameProducer* producer);
 
   // FrameConsumer implementation.
-  virtual void ApplyBuffer(const webrtc::DesktopSize& view_size,
-                           const webrtc::DesktopRect& clip_area,
-                           webrtc::DesktopFrame* buffer,
-                           const webrtc::DesktopRegion& region,
-                           const webrtc::DesktopRegion& shape) override;
-  virtual void ReturnBuffer(webrtc::DesktopFrame* buffer) override;
-  virtual void SetSourceSize(const webrtc::DesktopSize& source_size,
-                             const webrtc::DesktopVector& dpi) override;
-  virtual PixelFormat GetPixelFormat() override;
+  void ApplyBuffer(const webrtc::DesktopSize& view_size,
+                   const webrtc::DesktopRect& clip_area,
+                   webrtc::DesktopFrame* buffer,
+                   const webrtc::DesktopRegion& region,
+                   const webrtc::DesktopRegion& shape) override;
+  void ReturnBuffer(webrtc::DesktopFrame* buffer) override;
+  void SetSourceSize(const webrtc::DesktopSize& source_size,
+                     const webrtc::DesktopVector& dpi) override;
+  PixelFormat GetPixelFormat() override;
 
  private:
   // Allocates a new buffer of |source_size|, informs Java about it, and tells