Be able to build cast_unittest and related targets in Chrome tree

media/cast/video_receiver/video_receiver.cc

Index: media/cast/video_receiver/video_receiver.cc
diff --git a/media/cast/video_receiver/video_receiver.cc b/media/cast/video_receiver/video_receiver.cc
index 4d0421cc6c0c75e5c7260b6b19911530af50cb3c..644dbb5b349297f284f914e816bc08cf90fa272e 100644
--- a/media/cast/video_receiver/video_receiver.cc
+++ b/media/cast/video_receiver/video_receiver.cc
@@ -29,7 +29,7 @@ class LocalRtpVideoData : public RtpData {
         time_updated_(false),
         incoming_rtp_timestamp_(0) {
   }
-  ~LocalRtpVideoData() {}
+  virtual ~LocalRtpVideoData() {}
 
   virtual void OnReceivedPayloadData(const uint8* payload_data,
                                      int payload_size,
@@ -77,7 +77,7 @@ class LocalRtpVideoFeedback : public RtpPayloadFeedback {
     video_receiver_->CastFeedback(cast_message);
   }
 
-  virtual void RequestKeyFrame() OVERRIDE {
+  virtual void RequestKeyFrame() {
     video_receiver_->RequestKeyFrame();
   }