Enable VP9 support in WebRTC HW encoder and decoders

content/renderer/media/gpu/rtc_video_decoder.cc

Index: content/renderer/media/gpu/rtc_video_decoder.cc
diff --git a/content/renderer/media/gpu/rtc_video_decoder.cc b/content/renderer/media/gpu/rtc_video_decoder.cc
index 01c136c11d2846202f87455e018205c51cd0318f..8564111a8c1bb3373f646011ef12b6300b766f3b 100644
--- a/content/renderer/media/gpu/rtc_video_decoder.cc
+++ b/content/renderer/media/gpu/rtc_video_decoder.cc
@@ -110,6 +110,9 @@ std::unique_ptr<RTCVideoDecoder> RTCVideoDecoder::Create(
     case webrtc::kVideoCodecVP8:
       profile = media::VP8PROFILE_ANY;
       break;
+    case webrtc::kVideoCodecVP9:
+      profile = media::VP9PROFILE_MIN;

[Pawel Osciak, 2017/02/02 00:48:13]

Would VP9PROFILE_PROFILE0 be better here perhaps?

[emircan, 2017/02/03 18:11:30]

They are the same enum value. I can change again if you have a strong preference
between these two.

+      break;
     case webrtc::kVideoCodecH264:
       profile = media::H264PROFILE_MAIN;
       break;