Store SupportedCodecs in KeySystemInfo and KeySystems.

chrome/browser/media/encrypted_media_istypesupported_browsertest.cc

Index: chrome/browser/media/encrypted_media_istypesupported_browsertest.cc
diff --git a/chrome/browser/media/encrypted_media_istypesupported_browsertest.cc b/chrome/browser/media/encrypted_media_istypesupported_browsertest.cc
index ed0e4daa000ee341649c93e4df2b08d0849e6136..f524260acab2410ddc1e01e1dc5890543fce6bb6 100644
--- a/chrome/browser/media/encrypted_media_istypesupported_browsertest.cc
+++ b/chrome/browser/media/encrypted_media_istypesupported_browsertest.cc
@@ -859,13 +859,13 @@ IN_PROC_BROWSER_TEST_F(EncryptedMediaIsTypeSupportedWidevineTest,
       "video/mp4", mixed_codecs(), kWidevineAlpha));
 
   // Valid audio types.
-  EXPECT_WVMP4(IsSupportedKeySystemWithMediaMimeType(
+  EXPECT_WVAAC(IsSupportedKeySystemWithMediaMimeType(
       "audio/mp4", no_codecs(), kWidevineAlpha));
   EXPECT_WVAAC(IsSupportedKeySystemWithMediaMimeType(
       "audio/mp4", aac_codec(), kWidevineAlpha));
 
   // Valid audio types - parent key system.
-  EXPECT_WVMP4(IsSupportedKeySystemWithMediaMimeType(
+  EXPECT_WVAAC(IsSupportedKeySystemWithMediaMimeType(

[xhwang, 2014/04/21 23:12:19]

+ddorwin:

When AAC is not supported for Widevine, there are no MP4 audio codecs supported.
Therefore IsSupportedKeySystemWithMediaMimeType("audio/mp4", no_codecs(),
kWidevine) returns false with this CL.

Previously we declare "audio/mp4" support even if we only support MP4 video
codecs.

Let me know which way is preferred.

       "audio/mp4", no_codecs(), kWidevine));
   EXPECT_WVAAC(IsSupportedKeySystemWithMediaMimeType(
       "audio/mp4", aac_codec(), kWidevine));