Replace FINAL and OVERRIDE with their C++11 counterparts in content/renderer

content/renderer/media/rtc_dtmf_sender_handler.h

Index: content/renderer/media/rtc_dtmf_sender_handler.h
diff --git a/content/renderer/media/rtc_dtmf_sender_handler.h b/content/renderer/media/rtc_dtmf_sender_handler.h
index 3f77525fb5e990e11eee952ff6241a6f34a763a3..a7a79bb33ace7f952f1227c12d8f5747f563b1bb 100644
--- a/content/renderer/media/rtc_dtmf_sender_handler.h
+++ b/content/renderer/media/rtc_dtmf_sender_handler.h
@@ -32,14 +32,14 @@ class CONTENT_EXPORT RtcDtmfSenderHandler
 
   // blink::WebRTCDTMFSenderHandler implementation.
   virtual void setClient(
-      blink::WebRTCDTMFSenderHandlerClient* client) OVERRIDE;
-  virtual blink::WebString currentToneBuffer() OVERRIDE;
-  virtual bool canInsertDTMF() OVERRIDE;
+      blink::WebRTCDTMFSenderHandlerClient* client) override;
+  virtual blink::WebString currentToneBuffer() override;
+  virtual bool canInsertDTMF() override;
   virtual bool insertDTMF(const blink::WebString& tones, long duration,
-                          long interToneGap) OVERRIDE;
+                          long interToneGap) override;
 
   // webrtc::DtmfSenderObserverInterface implementation.
-  virtual void OnToneChange(const std::string& tone) OVERRIDE;
+  virtual void OnToneChange(const std::string& tone) override;
 
  private:
   scoped_refptr<webrtc::DtmfSenderInterface> dtmf_sender_;