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

chrome/browser/permissions/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 CHROME_BROWSER_PERMISSIONS_PERMISSION_MANAGER_H_
 #define CHROME_BROWSER_PERMISSIONS_PERMISSION_MANAGER_H_
 
 #include "base/callback_forward.h"
 #include "base/id_map.h"
 #include "base/macros.h"
@@ skipping 11 matching lines @@
 class PermissionManager : public KeyedService,
                           public content::PermissionManager,
                           public content_settings::Observer {
  public:
   explicit PermissionManager(Profile* profile);
   ~PermissionManager() 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,
@@ skipping 16 matching lines @@
                                ContentSettingsType content_type,
                                std::string resource_identifier) override;
 
   Profile* profile_;
   SubscriptionsMap subscriptions_;
 
   DISALLOW_COPY_AND_ASSIGN(PermissionManager);
 };
 
 #endif // CHROME_BROWSER_PERMISSIONS_PERMISSION_MANAGER_H_