Add support for audio/{x-}mpegurl mime type for HLS.

media/base/mime_util_unittest.cc

 // Copyright 2015 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 <stddef.h>
 
 #include "base/macros.h"
 #include "base/strings/string_split.h"
 #include "base/strings/stringprintf.h"
 #include "build/build_config.h"
@@ skipping 128 matching lines @@
   // API levels 15 and higher, so these are expected to be supported.
   bool kHlsSupported = true;
 #else
   bool kHlsSupported = false;
 #endif
 
   EXPECT_EQ(kHlsSupported, IsSupportedMediaMimeType("application/x-mpegurl"));
   EXPECT_EQ(kHlsSupported, IsSupportedMediaMimeType("Application/X-MPEGURL"));
   EXPECT_EQ(kHlsSupported, IsSupportedMediaMimeType(
       "application/vnd.apple.mpegurl"));
+  EXPECT_EQ(kHlsSupported, IsSupportedMediaMimeType("audio/mpegurl"));
+  EXPECT_EQ(kHlsSupported, IsSupportedMediaMimeType("audio/x-mpegurl"));
 
 #if defined(USE_PROPRIETARY_CODECS)
   EXPECT_TRUE(IsSupportedMediaMimeType("audio/mp4"));
   EXPECT_TRUE(IsSupportedMediaMimeType("audio/x-m4a"));
   EXPECT_TRUE(IsSupportedMediaMimeType("video/mp4"));
   EXPECT_TRUE(IsSupportedMediaMimeType("video/x-m4v"));
 
   EXPECT_TRUE(IsSupportedMediaMimeType("audio/mp3"));
   EXPECT_TRUE(IsSupportedMediaMimeType("audio/x-mp3"));
   EXPECT_TRUE(IsSupportedMediaMimeType("audio/mpeg"));
@@ skipping 262 matching lines @@
   MimeUtil::PlatformInfo states_to_vary = VaryAllFields();
   MimeUtil::PlatformInfo test_states;
 
   RunCodecSupportTest(
       states_to_vary, test_states,
       [](const MimeUtil::PlatformInfo& info, MimeUtil::Codec codec) {
         EXPECT_FALSE(MimeUtil::IsCodecSupportedOnPlatform(
             MimeUtil::MPEG2_AAC, "application/x-mpegurl", false, info));
         EXPECT_FALSE(MimeUtil::IsCodecSupportedOnPlatform(
             MimeUtil::MPEG2_AAC, "application/vnd.apple.mpegurl", false, info));
+        EXPECT_FALSE(MimeUtil::IsCodecSupportedOnPlatform(
+            MimeUtil::MPEG2_AAC, "audio/mpegurl", false, info));
+        EXPECT_FALSE(MimeUtil::IsCodecSupportedOnPlatform(
+            MimeUtil::MPEG2_AAC, "audio/x-mpegurl", false, info));
       });
 }
 
 }  // namespace internal
 }  // namespace media