Revert of media: Enable Opus support in Clank <video> and MSE

net/base/mime_util.cc

 // 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.
 
 #include <algorithm>
 #include <iterator>
 #include <map>
 #include <string>
 
 #include "base/containers/hash_tables.h"
@@ skipping 457 matching lines @@
     case MimeUtil::MPEG2_AAC_MAIN:
     case MimeUtil::MPEG2_AAC_SSR:
       // MPEG-2 variants of AAC are not supported on Android.
       return false;
 
     case MimeUtil::VP9:
       // VP9 is supported only in KitKat+ (API Level 19).
       return base::android::BuildInfo::GetInstance()->sdk_int() >= 19;
 
     case MimeUtil::OPUS:
-      // Opus is supported only in Lollipop+ (API Level 21).
-      return base::android::BuildInfo::GetInstance()->sdk_int() >= 21;
+      // TODO(vigneshv): Change this similar to the VP9 check once Opus is
+      // supported on Android (http://crbug.com/318436).
+      return false;
 
     case MimeUtil::THEORA:
       return false;
   }
 
   return false;
 }
 
 static bool IsMimeTypeSupportedOnAndroid(const std::string& mimeType) {
   // HLS codecs are supported in ICS and above (API level 14)
@@ skipping 888 matching lines @@
   post_data->append("\r\n" + value + "\r\n");
 }
 
 void AddMultipartFinalDelimiterForUpload(const std::string& mime_boundary,
                                          std::string* post_data) {
   DCHECK(post_data);
   post_data->append("--" + mime_boundary + "--\r\n");
 }
 
 }  // namespace net