Revert of Enable -Winconsistent-missing-override flag.

webrtc/api/rtpsenderreceiver_unittest.cc

Index: webrtc/api/rtpsenderreceiver_unittest.cc
diff --git a/webrtc/api/rtpsenderreceiver_unittest.cc b/webrtc/api/rtpsenderreceiver_unittest.cc
index 0ec3cfe47098bb643e7ad8a83377ca3b96b30a98..4cd142567ada966f753e33f7e49ff940f8eb4440 100644
--- a/webrtc/api/rtpsenderreceiver_unittest.cc
+++ b/webrtc/api/rtpsenderreceiver_unittest.cc
@@ -43,11 +43,7 @@
 // Helper class to test RtpSender/RtpReceiver.
 class MockAudioProvider : public AudioProviderInterface {
  public:
-  // TODO(nisse): Valid overrides commented out, because the gmock
-  // methods don't use any override declarations, and we want to avoid
-  // warnings from -Winconsistent-missing-override. See
-  // http://crbug.com/428099.
-  ~MockAudioProvider() /* override */ {}
+  ~MockAudioProvider() override {}
 
   MOCK_METHOD2(SetAudioPlayout,
                void(uint32_t ssrc,
@@ -62,8 +58,8 @@
   MOCK_METHOD2(SetAudioRtpParameters,
                bool(uint32_t ssrc, const RtpParameters&));
 
-  void SetRawAudioSink(
-      uint32_t, std::unique_ptr<AudioSinkInterface> sink) /* override */ {
+  void SetRawAudioSink(uint32_t,
+                       std::unique_ptr<AudioSinkInterface> sink) override {
     sink_ = std::move(sink);
   }