Wire up MediaCapabilities is_supported to MimeUtil

media/base/mime_util_internal.cc

Index: media/base/mime_util_internal.cc
diff --git a/media/base/mime_util_internal.cc b/media/base/mime_util_internal.cc
index affb8cc36aeb6869efed4cf3b17f03f8c646f309..9b9471c4347345a07fdb83ca527e027794c416b6 100644
--- a/media/base/mime_util_internal.cc
+++ b/media/base/mime_util_internal.cc
@@ -415,8 +415,10 @@ SupportsType MimeUtil::IsSupportedMediaFormat(
   const std::string mime_type_lower_case = base::ToLowerASCII(mime_type);
   MediaFormatMappings::const_iterator it_media_format_map =
       media_format_map_.find(mime_type_lower_case);
-  if (it_media_format_map == media_format_map_.end())
+  if (it_media_format_map == media_format_map_.end()) {
+    DVLOG(3) << __func__ << " Unrecognized mime type: " << mime_type;
     return IsNotSupported;
+  }
 
   if (it_media_format_map->second.empty()) {
     // We get here if the mimetype does not expect a codecs parameter.