Media Galleries API Metadata: Make Blob native extension bindings available to multiple extensions.

chrome/renderer/resources/extensions/feedback_private_custom_bindings.js

 // Copyright 2013 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 bindings for the feedbackPrivate API.
 
 var binding = require('binding').Binding.create('feedbackPrivate');
 
-var feedbackPrivateNatives = requireNative('feedback_private');
+var blobNatives = requireNative('blob_natives');
 
 binding.registerCustomHook(function(bindingsAPI) {
   var apiFunctions = bindingsAPI.apiFunctions;
   apiFunctions.setUpdateArgumentsPostValidate(
       "sendFeedback", function(feedbackInfo, callback) {
     var attachedFileBlobUuid = '';
     var screenshotBlobUuid = '';
 
     if (feedbackInfo.attachedFile)
       attachedFileBlobUuid =
-          feedbackPrivateNatives.GetBlobUuid(feedbackInfo.attachedFile.data);
+          blobNatives.GetBlobUuid(feedbackInfo.attachedFile.data);
     if (feedbackInfo.screenshot)
       screenshotBlobUuid =
-          feedbackPrivateNatives.GetBlobUuid(feedbackInfo.screenshot);
+          blobNatives.GetBlobUuid(feedbackInfo.screenshot);
 
     feedbackInfo.attachedFileBlobUuid = attachedFileBlobUuid;
     feedbackInfo.screenshotBlobUuid = screenshotBlobUuid;
 
     return [feedbackInfo, callback];
   });
 });
 
 exports.binding = binding.generate();