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

chrome/browser/geolocation/chrome_geolocation_permission_context.h

 // 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.
 
 #ifndef CHROME_BROWSER_GEOLOCATION_CHROME_GEOLOCATION_PERMISSION_CONTEXT_H_
 #define CHROME_BROWSER_GEOLOCATION_CHROME_GEOLOCATION_PERMISSION_CONTEXT_H_
 
 #include <string>
 
 #include "base/memory/scoped_ptr.h"
@@ skipping 10 matching lines @@
 // Chrome specific implementation of GeolocationPermissionContext; manages
 // Geolocation permissions flow, and delegates UI handling via
 // PermissionQueueController.
 class ChromeGeolocationPermissionContext
     : public content::GeolocationPermissionContext {
  public:
   explicit ChromeGeolocationPermissionContext(Profile* profile);
 
   // GeolocationPermissionContext:
   virtual void RequestGeolocationPermission(
-      int render_process_id,
-      int render_view_id,
+      content::WebContents* web_contents,
       int bridge_id,
       const GURL& requesting_frame,
       bool user_gesture,
       base::Callback<void(bool)> callback) OVERRIDE;
   virtual void CancelGeolocationPermissionRequest(
-      int render_process_id,
-      int render_view_id,
+      content::WebContents* web_contents,
       int bridge_id,
       const GURL& requesting_frame) OVERRIDE;
 
   // Called on the UI thread when the profile is about to be destroyed.
   void ShutdownOnUIThread();
 
   // Notifies whether or not the corresponding bridge is allowed to use
   // geolocation via
   // GeolocationPermissionContext::SetGeolocationPermissionResponse().
   // Called on the UI thread.
@@ skipping 51 matching lines @@
 
   // These must only be accessed from the UI thread.
   Profile* const profile_;
   bool shutting_down_;
   scoped_ptr<PermissionQueueController> permission_queue_controller_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeGeolocationPermissionContext);
 };
 
 #endif  // CHROME_BROWSER_GEOLOCATION_CHROME_GEOLOCATION_PERMISSION_CONTEXT_H_