Fix: Adding list of supported codecs for MP4 containers

content/renderer/renderer_webkitplatformsupport_impl.cc

Index: content/renderer/renderer_webkitplatformsupport_impl.cc
diff --git a/content/renderer/renderer_webkitplatformsupport_impl.cc b/content/renderer/renderer_webkitplatformsupport_impl.cc
index 5f9f398fc7633f3468c00d8925551f14be5ac084..6a61d10e324dd66e126449a36f76a5eeab54dca4 100644
--- a/content/renderer/renderer_webkitplatformsupport_impl.cc
+++ b/content/renderer/renderer_webkitplatformsupport_impl.cc
@@ -428,8 +428,7 @@ RendererWebKitPlatformSupportImpl::MimeRegistry::supportsMediaMIMEType(
     std::string key_system_ascii =
         GetUnprefixedKeySystemName(base::UTF16ToASCII(key_system));
     std::vector<std::string> strict_codecs;
-    bool strip_suffix = !net::IsStrictMediaMimeType(mime_type_ascii);
-    net::ParseCodecString(ToASCIIOrEmpty(codecs), &strict_codecs, strip_suffix);
+    net::ParseCodecString(ToASCIIOrEmpty(codecs), &strict_codecs, true);
 
     if (!IsSupportedKeySystemWithMediaMimeType(
             mime_type_ascii, strict_codecs, key_system_ascii)) {
@@ -444,14 +443,8 @@ RendererWebKitPlatformSupportImpl::MimeRegistry::supportsMediaMIMEType(
     // Check if the codecs are a perfect match.
     std::vector<std::string> strict_codecs;
     net::ParseCodecString(ToASCIIOrEmpty(codecs), &strict_codecs, false);
-    if (net::IsSupportedStrictMediaMimeType(mime_type_ascii, strict_codecs))
-      return IsSupported;
-
-    // We support the container, but no codecs were specified.
-    if (codecs.isNull())
-      return MayBeSupported;
-
-    return IsNotSupported;
+    return static_cast<WebMimeRegistry::SupportsType> (
+        net::IsSupportedStrictMediaMimeType(mime_type_ascii, strict_codecs));
   }
 
   // If we don't recognize the codec, it's possible we support it.