Implement support for vp9 in ISO-BMFF

chrome/renderer/media/chrome_key_systems.cc

Index: chrome/renderer/media/chrome_key_systems.cc
diff --git a/chrome/renderer/media/chrome_key_systems.cc b/chrome/renderer/media/chrome_key_systems.cc
index 5042cf14e26e6d9b6fbd4a2a4d678b4cc6e0d891..ed92b1ae8cacf579d2d19b04947ec2326e7f0414 100644
--- a/chrome/renderer/media/chrome_key_systems.cc
+++ b/chrome/renderer/media/chrome_key_systems.cc
@@ -184,9 +184,9 @@ static void AddPepperBasedWidevine(
 
   for (size_t i = 0; i < codecs.size(); ++i) {
     if (codecs[i] == kCdmSupportedCodecVp8)
-      supported_codecs |= media::EME_CODEC_WEBM_VP8;
+      supported_codecs |= media::EME_CODEC_WEBM_VP8 | media::EME_CODEC_MP4_VP8;

[sandersd (OOO until July 31), 2016/01/26 21:21:20]

If we are going with leaving MP4 as requiring proprietary_codecs, then these
should be restricted the same.

[kqyang, 2016/01/27 00:17:42]

Done.

     if (codecs[i] == kCdmSupportedCodecVp9)
-      supported_codecs |= media::EME_CODEC_WEBM_VP9;
+      supported_codecs |= media::EME_CODEC_WEBM_VP9 | media::EME_CODEC_MP4_VP9;
 #if defined(USE_PROPRIETARY_CODECS)
     if (codecs[i] == kCdmSupportedCodecAvc1)
       supported_codecs |= media::EME_CODEC_MP4_AVC1;