permissions: handle request ids for permissions in permission manager

content/shell/browser/layout_test/layout_test_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_SHELL_BROWSER_LAYOUT_TEST_LAYOUT_TEST_PERMISSION_MANAGER_H_
 #define CONTENT_SHELL_BROWSER_LAYOUT_TEST_LAYOUT_TEST_PERMISSION_MANAGER_H_
 
 #include "base/callback_forward.h"
 #include "base/containers/hash_tables.h"
 #include "base/id_map.h"
 #include "base/macros.h"
 #include "base/synchronization/lock.h"
 #include "content/public/browser/permission_manager.h"
 #include "url/gurl.h"
 
 namespace content {
 
 class LayoutTestPermissionManager : public PermissionManager {
  public:
   LayoutTestPermissionManager();
   ~LayoutTestPermissionManager() override;
 
   // PermissionManager overrides.
-  void RequestPermission(
+  int RequestPermission(
       PermissionType permission,
       RenderFrameHost* render_frame_host,
-      int request_id,
       const GURL& requesting_origin,
       bool user_gesture,
       const base::Callback<void(PermissionStatus)>& callback) override;
   void CancelPermissionRequest(PermissionType permission,
                                RenderFrameHost* render_frame_host,
                                int request_id,
                                const GURL& requesting_origin) override;
   void ResetPermission(PermissionType permission,
                        const GURL& requesting_origin,
                        const GURL& embedding_origin) override;
@@ skipping 55 matching lines @@
 
   // List of subscribers currently listening to permission changes.
   SubscriptionsMap subscriptions_;
 
   DISALLOW_COPY_AND_ASSIGN(LayoutTestPermissionManager);
 };
 
 }  // namespace content
 
 #endif // CONTENT_SHELL_BROWSER_LAYOUT_TEST_LAYOUT_TEST_PERMISSION_MANAGER_H_