Add service registration for Mojo services defined under chrome/

extensions/browser/mojo/service_registration.h

 // 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.
 
 #ifndef EXTENSIONS_BROWSER_MOJO_SERVICE_REGISTRATION_H_
 #define EXTENSIONS_BROWSER_MOJO_SERVICE_REGISTRATION_H_
 
 namespace content {
 class RenderFrameHost;
 }
 
 namespace extensions {
 
-void RegisterCoreExtensionServices(content::RenderFrameHost* render_frame_host);
+class Extension;
+
+void RegisterServicesForFrame(content::RenderFrameHost* render_frame_host,
+                              const Extension* extension);
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_BROWSER_MOJO_SERVICE_REGISTRATION_H_