New API to copy syncfs folder to localfs.

chrome/renderer/extensions/dispatcher.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 "chrome/renderer/extensions/dispatcher.h"
 
 #include "base/callback.h"
 #include "base/command_line.h"
 #include "base/debug/alias.h"
 #include "base/json/json_reader.h"
@@ skipping 962 matching lines @@
   source_map_.RegisterSource("browserAction",
                              IDR_BROWSER_ACTION_CUSTOM_BINDINGS_JS);
   source_map_.RegisterSource("contextMenus",
                              IDR_CONTEXT_MENUS_CUSTOM_BINDINGS_JS);
   source_map_.RegisterSource("declarativeContent",
                              IDR_DECLARATIVE_CONTENT_CUSTOM_BINDINGS_JS);
   source_map_.RegisterSource("declarativeWebRequest",
                              IDR_DECLARATIVE_WEBREQUEST_CUSTOM_BINDINGS_JS);
   source_map_.RegisterSource("desktopCapture",
                              IDR_DESKTOP_CAPTURE_CUSTOM_BINDINGS_JS);
+  source_map_.RegisterSource("developerPrivate",
+                             IDR_DEVELOPER_PRIVATE_CUSTOM_BINDINGS_JS);
   source_map_.RegisterSource("downloads",
                              IDR_DOWNLOADS_CUSTOM_BINDINGS_JS);
   source_map_.RegisterSource("experimental.offscreen",
                              IDR_EXPERIMENTAL_OFFSCREENTABS_CUSTOM_BINDINGS_JS);
   source_map_.RegisterSource("extension", IDR_EXTENSION_CUSTOM_BINDINGS_JS);
   source_map_.RegisterSource("feedbackPrivate",
                              IDR_FEEDBACK_PRIVATE_CUSTOM_BINDINGS_JS);
   source_map_.RegisterSource("fileBrowserHandler",
                              IDR_FILE_BROWSER_HANDLER_CUSTOM_BINDINGS_JS);
   source_map_.RegisterSource("fileBrowserPrivate",
@@ skipping 669 matching lines @@
     RenderView* background_view =
         ExtensionHelper::GetBackgroundPage(extension_id);
     if (background_view) {
       background_view->Send(new ExtensionHostMsg_EventAck(
           background_view->GetRoutingID()));
     }
   }
 }
 
 }  // namespace extensions