Wire up MediaCapabilities is_supported to MimeUtil

third_party/WebKit/Source/modules/media_capabilities/MediaCapabilities.cpp

Index: third_party/WebKit/Source/modules/media_capabilities/MediaCapabilities.cpp
diff --git a/third_party/WebKit/Source/modules/media_capabilities/MediaCapabilities.cpp b/third_party/WebKit/Source/modules/media_capabilities/MediaCapabilities.cpp
index 0ec53722e036bacb5aa8c2b2645293372c70b851..e1a90bd0d2b92e5d1f770647b400718cad17bda3 100644
--- a/third_party/WebKit/Source/modules/media_capabilities/MediaCapabilities.cpp
+++ b/third_party/WebKit/Source/modules/media_capabilities/MediaCapabilities.cpp
@@ -13,6 +13,7 @@
 #include "modules/media_capabilities/MediaConfiguration.h"
 #include "modules/media_capabilities/MediaDecodingConfiguration.h"
 #include "modules/media_capabilities/MediaEncodingConfiguration.h"
+#include "platform/network/ParsedContentType.h"
 #include "public/platform/Platform.h"
 #include "public/platform/WebMediaRecorderHandler.h"
 #include "public/platform/modules/media_capabilities/WebMediaCapabilitiesClient.h"
@@ -29,7 +30,16 @@ WebAudioConfiguration ToWebAudioConfiguration(
 
   // |contentType| is mandatory.
   DCHECK(configuration.hasContentType());
-  web_configuration.content_type = configuration.contentType();
+  ParsedContentType parsed_content_type(configuration.contentType(),
+                                        ParsedContentType::Mode::kStrict);
+
+  // TODO(mlamouri): Sort out error handling for invalid input. Spec issue
+  // https://github.com/WICG/media-capabilities/issues/32
+  DCHECK(parsed_content_type.IsValid());
+
+  DEFINE_STATIC_LOCAL(const String, codecs, ("codecs"));
+  web_configuration.mime_type = parsed_content_type.MimeType().LowerASCII();
+  web_configuration.codec = parsed_content_type.ParameterValueForName(codecs);
 
   // |channels| is optional and will be set to a null WebString if not present.
   web_configuration.channels = configuration.hasChannels()
@@ -51,7 +61,15 @@ WebVideoConfiguration ToWebVideoConfiguration(
 
   // All the properties are mandatory.
   DCHECK(configuration.hasContentType());
-  web_configuration.content_type = configuration.contentType();
+  ParsedContentType parsed_content_type(configuration.contentType(),
+                                        ParsedContentType::Mode::kStrict);
+  // TODO(mlamouri): Sort out error handling for invalid input. Spec issue
+  // https://github.com/WICG/media-capabilities/issues/32
+  DCHECK(parsed_content_type.IsValid());
+
+  DEFINE_STATIC_LOCAL(const String, codecs, ("codecs"));
+  web_configuration.mime_type = parsed_content_type.MimeType().LowerASCII();
+  web_configuration.codec = parsed_content_type.ParameterValueForName(codecs);
 
   DCHECK(configuration.hasWidth());
   web_configuration.width = configuration.width();