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

net/base/mime_util.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef NET_BASE_MIME_UTIL_H__
 #define NET_BASE_MIME_UTIL_H__
 
 #include <string>
 #include <vector>
 
@@ skipping 76 matching lines @@
 // |codecs_out| will contain {"aaa.b.c", "dd.eee"}.
 // See http://www.ietf.org/rfc/rfc4281.txt.
 NET_EXPORT void ParseCodecString(const std::string& codecs,
                                  std::vector<std::string>* codecs_out,
                                  bool strip);
 
 // Check to see if a particular MIME type is in our list which only supports a
 // 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);
 
 // Get the extensions associated with the given mime type. This should be passed
 // in lower case. There could be multiple extensions for a given mime type, like
 // "html,htm" for "text/html", or "txt,text,html,..." for "text/*".
 // Note that we do not erase the existing elements in the the provided vector.
 // Instead, we append the result to it.
 NET_EXPORT void GetExtensionsForMimeType(
     const std::string& mime_type,
@@ skipping 29 matching lines @@
                                            std::string* post_data);
 
 // Adds the final delimiter to a multi-part upload request.
 NET_EXPORT void AddMultipartFinalDelimiterForUpload(
     const std::string& mime_boundary,
     std::string* post_data);
 
 }  // namespace net
 
 #endif  // NET_BASE_MIME_UTIL_H__