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

content/public/browser/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 CONTENT_PUBLIC_BROWSER_PERMISSION_MANAGER_H_
 #define CONTENT_PUBLIC_BROWSER_PERMISSION_MANAGER_H_
 
 #include "content/common/content_export.h"
 #include "content/public/common/permission_status.mojom.h"
 
 class GURL;
 
 namespace content {
 enum class PermissionType;
-class WebContents;
+class RenderFrameHost;
 
 class CONTENT_EXPORT PermissionManager {
  public:
   virtual ~PermissionManager() = default;
 
   virtual void RequestPermission(
       PermissionType permission,
-      WebContents* web_contents,
+      RenderFrameHost* render_frame_host,
       int request_id,
       const GURL& requesting_origin,
       bool user_gesture,
       const base::Callback<void(PermissionStatus)>& callback) = 0;
 
   virtual void CancelPermissionRequest(PermissionType permission,
-                                       WebContents* web_contents,
+                                       RenderFrameHost* render_frame_host,
                                        int request_id,
                                        const GURL& requesting_origin) = 0;
 
   virtual PermissionStatus GetPermissionStatus(
       PermissionType permission,
       const GURL& requesting_origin,
       const GURL& embedding_origin) = 0;
 
   virtual void ResetPermission(PermissionType permission,
                                const GURL& requesting_origin,
@@ skipping 11 matching lines @@
       const GURL& requesting_origin,
       const GURL& embedding_origin,
       const base::Callback<void(PermissionStatus)>& callback) = 0;
 
   virtual void UnsubscribePermissionStatusChange(int subscription_id) = 0;
 };
 
 }  // namespace content
 
 #endif // CONTENT_PUBLIC_BROWSER_PERMISSION_MANAGER_H_