Use RenderFrameHost for ::RequestPermission() and ::CancelPermission().

chromecast/browser/cast_permission_manager.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 CHROMECAST_BROWSER_CAST_PERMISSION_MANAGER_H_
 #define CHROMECAST_BROWSER_CAST_PERMISSION_MANAGER_H_
 
 #include "base/callback_forward.h"
 #include "base/macros.h"
 #include "content/public/browser/permission_manager.h"
 
 namespace chromecast {
 namespace shell {
 
 class CastPermissionManager : public content::PermissionManager {
  public:
   CastPermissionManager();
   ~CastPermissionManager() override;
 
   // content::PermissionManager implementation:
   void RequestPermission(
       content::PermissionType permission,
-      content::WebContents* web_contents,
+      content::RenderFrameHost* render_frame_host,
       int request_id,
       const GURL& requesting_origin,
       bool user_gesture,
       const base::Callback<void(content::PermissionStatus)>& callback) override;
   void CancelPermissionRequest(content::PermissionType permission,
-                               content::WebContents* web_contents,
+                               content::RenderFrameHost* render_frame_host,
                                int request_id,
                                const GURL& requesting_origin) override;
   void ResetPermission(content::PermissionType permission,
                        const GURL& requesting_origin,
                        const GURL& embedding_origin) override;
   content::PermissionStatus GetPermissionStatus(
       content::PermissionType permission,
       const GURL& requesting_origin,
       const GURL& embedding_origin) override;
   void RegisterPermissionUsage(content::PermissionType permission,
                                const GURL& requesting_origin,
                                const GURL& embedding_origin) override;
   int SubscribePermissionStatusChange(
       content::PermissionType permission,
       const GURL& requesting_origin,
       const GURL& embedding_origin,
       const base::Callback<void(content::PermissionStatus)>& callback) override;
   void UnsubscribePermissionStatusChange(int subscription_id) override;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(CastPermissionManager);
 };
 
 }  // namespace shell
 }  // namespace chromecast
 
 #endif // CHROMECAST_BROWSER_CAST_PERMISSION_MANAGER_H_