Enable audio/video tag in content_shell

base/base_paths_posix.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 "base/base_paths.h"
 
 #include <ostream>
 #include <string>
 
 #include "build/build_config.h"
@@ skipping 81 matching lines @@
       // For example:  out/{Debug|Release}/net_unittest
       if (PathService::Get(base::DIR_EXE, &path)) {
         *result = path.DirName().DirName();
         return true;
       }
 
       DLOG(ERROR) << "Couldn't find your source root.  "
                   << "Try running from your chromium/src directory.";
       return false;
     }
-    case base::DIR_CACHE:
+    case base::DIR_CACHE: {
       scoped_ptr<base::Environment> env(base::Environment::Create());
       FilePath cache_dir(base::nix::GetXDGDirectory(env.get(), "XDG_CACHE_HOME",
                                                     ".cache"));
       *result = cache_dir;
       return true;
+    }
+    case base::DIR_MEDIA_LIBS: {
+      if (!PathService::Get(base::DIR_MODULE, result))
+        return false;
+      return true;
+    }
   }
   return false;
 }
 
 }  // namespace base