Revert 277386 "Fix: Adding list of supported codecs for MP4 cont..."

net/base/mime_util.h

Index: net/base/mime_util.h
===================================================================
--- net/base/mime_util.h	(revision 282961)
+++ net/base/mime_util.h	(working copy)
@@ -94,34 +94,12 @@
 // certain subset of codecs.
 NET_EXPORT bool IsStrictMediaMimeType(const std::string& mime_type);
 
-// Indicates that the MIME type and (possible codec string) are supported by the
-// underlying platform.
-enum SupportsType {
-  // The underlying platform is known not to support the given MIME type and
-  // codec combination.
-  IsNotSupported,
-
-  // The underlying platform is known to support the given MIME type and codec
-  // combination.
-  IsSupported,
-
-  // The underlying platform is unsure whether the given MIME type and codec
-  // combination can be rendered or not before actually trying to play it.
-  MayBeSupported
-};
-
-// Checks the |mime_type| and |codecs| against the MIME types known to support
-// only a particular subset of codecs.
-// * Returns IsSupported if the |mime_type| is supported and all the codecs
-//   within the |codecs| are supported for the |mime_type|.
-// * Returns MayBeSupported if the |mime_type| is supported and is known to
-//   support only a subset of codecs, but |codecs| was empty. Also returned if
-//   all the codecs in |codecs| are supported, but additional codec parameters
-//   were supplied (such as profile) for which the support cannot be decided.
-// * Returns IsNotSupported if either the |mime_type| is not supported or the
-//   |mime_type| is supported but at least one of the codecs within |codecs| is
-//   not supported for the |mime_type|.
-NET_EXPORT SupportsType IsSupportedStrictMediaMimeType(
+// Check to see if a particular MIME type is in our list which only supports a
+// certain subset of codecs. Returns true if and only if all codecs are
+// supported for that specific MIME type, false otherwise. If this returns
+// false you will still need to check if the media MIME tpyes and codecs are
+// supported.
+NET_EXPORT bool IsSupportedStrictMediaMimeType(
     const std::string& mime_type,
     const std::vector<std::string>& codecs);