Add OVERRIDE to remoting/.

remoting/protocol/buffered_socket_writer.h

Index: remoting/protocol/buffered_socket_writer.h
diff --git a/remoting/protocol/buffered_socket_writer.h b/remoting/protocol/buffered_socket_writer.h
index 5aa083f8ea96b9c0b4e2e758096a9a132655635e..762e0456f126df3f6251737192bdbd16484e26d4 100644
--- a/remoting/protocol/buffered_socket_writer.h
+++ b/remoting/protocol/buffered_socket_writer.h
@@ -110,9 +110,9 @@ class BufferedSocketWriter : public BufferedSocketWriterBase {
   virtual ~BufferedSocketWriter();
 
  protected:
-  virtual void GetNextPacket_Locked(net::IOBuffer** buffer, int* size);
-  virtual void AdvanceBufferPosition_Locked(int written);
-  virtual void OnError_Locked(int result);
+  virtual void GetNextPacket_Locked(net::IOBuffer** buffer, int* size) OVERRIDE;
+  virtual void AdvanceBufferPosition_Locked(int written) OVERRIDE;
+  virtual void OnError_Locked(int result) OVERRIDE;
 
  private:
   scoped_refptr<net::DrainableIOBuffer> current_buf_;
@@ -124,9 +124,9 @@ class BufferedDatagramWriter : public BufferedSocketWriterBase {
   virtual ~BufferedDatagramWriter();
 
  protected:
-  virtual void GetNextPacket_Locked(net::IOBuffer** buffer, int* size);
-  virtual void AdvanceBufferPosition_Locked(int written);
-  virtual void OnError_Locked(int result);
+  virtual void GetNextPacket_Locked(net::IOBuffer** buffer, int* size) OVERRIDE;
+  virtual void AdvanceBufferPosition_Locked(int written) OVERRIDE;
+  virtual void OnError_Locked(int result) OVERRIDE;
 };
 
 }  // namespace protocol