Added activity logging for ext APIs with custom bindings

chrome/renderer/resources/extensions/media_galleries_custom_bindings.js

 // 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.
 
 // Custom binding for the Media Gallery API.
 
 var binding = require('binding').Binding.create('mediaGalleries');
 
 var mediaGalleriesNatives = requireNative('mediaGalleries');
 
@@ skipping 27 matching lines @@
     request.callback = null;
   });
 
   apiFunctions.setHandleRequest('getMediaFileSystemMetadata',
                                 function(filesystem) {
     if (filesystem && filesystem.name &&
         mediaGalleriesMetadata[filesystem.name]) {
       return mediaGalleriesMetadata[filesystem.name];
     }
     return {};
-  });
+  }, false);
 });
 
 exports.binding = binding.generate();