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

content/renderer/media/webrtc_identity_service_unittest.cc

Index: content/renderer/media/webrtc_identity_service_unittest.cc
diff --git a/content/renderer/media/webrtc_identity_service_unittest.cc b/content/renderer/media/webrtc_identity_service_unittest.cc
index 856865d86c2448e0cfa57db22630d8fa53c4a0e3..b706258184683f01adbce0d0ca7ccd0a8a216ba3 100644
--- a/content/renderer/media/webrtc_identity_service_unittest.cc
+++ b/content/renderer/media/webrtc_identity_service_unittest.cc
@@ -22,13 +22,13 @@ static const int FAKE_ERROR = 100;
 
 class WebRTCIdentityServiceForTest : public WebRTCIdentityService {
  public:
-  virtual bool Send(IPC::Message* message) OVERRIDE {
+  virtual bool Send(IPC::Message* message) override {
     messages_.push_back(*message);
     delete message;
     return true;
   }
 
-  virtual bool OnControlMessageReceived(const IPC::Message& message) OVERRIDE {
+  virtual bool OnControlMessageReceived(const IPC::Message& message) override {
     return WebRTCIdentityService::OnControlMessageReceived(message);
   }