Chromecast: communicate HDMI-sink codec changes over IPC.

chromecast/common/media/cast_message_generator.h

Index: chromecast/common/media/cast_message_generator.h
diff --git a/ui/compositor/reflector.cc b/chromecast/common/media/cast_message_generator.h
similarity index 62%
copy from ui/compositor/reflector.cc
copy to chromecast/common/media/cast_message_generator.h
index 31dcdaef6105459ab2c82fa60cc5a1b6d03703f2..ac6c0041c5033cc9d7fad300e6361651c61e482f 100644
--- a/ui/compositor/reflector.cc
+++ b/chromecast/common/media/cast_message_generator.h
@@ -2,11 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "ui/compositor/reflector.h"
+// Multiply-included file, hence no include guard.
 
-namespace ui {
+#include "chromecast/common/media/cast_messages.h"
 
-Reflector::~Reflector() {
-}
-
-}  // namespace ui