Dispatch geolocation IPCs on the UI thread. Aside from simplifying the code to avoid a lot of threa…

chrome/browser/guest_view/web_view/web_view_guest.cc

 // Copyright 2014 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/browser/guest_view/web_view/web_view_guest.h"
 
 #include "base/message_loop/message_loop.h"
 #include "base/strings/stringprintf.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/extensions/api/web_request/web_request_api.h"
@@ skipping 573 matching lines @@
   if (!allow || !attached()) {
     callback.Run(false);
     return;
   }
 
   content::GeolocationPermissionContext* geolocation_context =
       browser_context()->GetGeolocationPermissionContext();
 
   DCHECK(geolocation_context);
   geolocation_context->RequestGeolocationPermission(
-      embedder_web_contents()->GetRenderProcessHost()->GetID(),
-      embedder_web_contents()->GetRoutingID(),
+      embedder_web_contents(),
       // The geolocation permission request here is not initiated
       // through WebGeolocationPermissionRequest. We are only interested
       // in the fact whether the embedder/app has geolocation
       // permission. Therefore we use an invalid |bridge_id|.
       -1 /* bridge_id */,
       embedder_web_contents()->GetLastCommittedURL(),
       user_gesture,
       callback);
 }
 
@@ skipping 468 matching lines @@
   if (request_id != pending_context_menu_request_id_)
     return;
 
   // TODO(lazyboy): Implement.
   DCHECK(!items);
 
   ContextMenuDelegate* menu_delegate =
       ContextMenuDelegate::FromWebContents(guest_web_contents());
   menu_delegate->ShowMenu(pending_menu_.Pass());
 }