[Chromecast] Add a custom CastMediaClient for Chromecast

chromecast/media/base/cast_media_default.cc

Index: chromecast/media/base/cast_media_default.cc
diff --git a/chromecast/media/base/cast_media_default.cc b/chromecast/media/base/cast_media_default.cc
index aee86887330c1fe24d55bada1ee31a10485e962b..3193dbbd8d07a212f8a0d6099fecb3defbd6e012 100644
--- a/chromecast/media/base/cast_media_default.cc
+++ b/chromecast/media/base/cast_media_default.cc
@@ -105,5 +105,14 @@ bool CastMediaShlib::SupportsMediaClockRateChange() {
   return false;
 }
 
+// static
+bool MediaCapabilitiesShlib::IsSupportedVideoConfig(VideoCodec codec,
+                                                    VideoProfile profile,
+                                                    int level) {
+  if (codec == kCodecH264 || codec == kCodecVP8)
+    return true;
+  return false;
+}
+
 }  // namespace media
 }  // namespace chromecast