Enable audio/video tag in content_shell

base/base_paths.h

 // Copyright (c) 2011 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 BASE_BASE_PATHS_H_
 #define BASE_BASE_PATHS_H_
 #pragma once
 
 // This file declares path keys for the base module.  These can be used with
 // the PathService to access various special directories and files.
@@ skipping 25 matching lines @@
 #if defined(OS_POSIX)
   DIR_CACHE,    // Directory where to put cache data.  Note this is
                 // *not* where the browser cache lives, but the
                 // browser cache can be a subdirectory.
                 // This is $XDG_CACHE_HOME on Linux and
                 // ~/Library/Caches on Mac.
 #endif
 #if defined(OS_ANDROID)
   DIR_ANDROID_APP_DATA,  // Directory where to put android app's data.
 #endif
+  DIR_MEDIA_LIBS,  // Directory where the Media libraries reside.
 
   PATH_END
 };
 
 }  // namespace base
 
 #endif  // BASE_BASE_PATHS_H_