ContentBrowserClient::RequestPermission replies with PermissionStatus instead of bool.

chrome/browser/content_settings/permission_queue_controller.h

 // Copyright 2013 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_CONTENT_SETTINGS_PERMISSION_QUEUE_CONTROLLER_H_
 #define CHROME_BROWSER_CONTENT_SETTINGS_PERMISSION_QUEUE_CONTROLLER_H_
 
 #include "base/bind.h"
+#include "components/content_settings/core/common/content_settings.h"
 #include "components/content_settings/core/common/content_settings_types.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 
 class GURL;
 class PermissionRequestID;
 class InfoBarService;
 class Profile;
 
 // This class controls an infobar queue per profile, and it's used by
 // GeolocationPermissionContext, and so on.
 // An alternate approach would be to have this queue per tab, and use
 // notifications to broadcast when permission is set / listen to notification to
 // cancel pending requests. This may be specially useful if there are other
 // things listening for such notifications.
 // For the time being this class is self-contained and it doesn't seem pulling
 // the notification infrastructure would simplify.
 class PermissionQueueController : public content::NotificationObserver {
  public:
-  typedef base::Callback<void(bool /* allowed */)> PermissionDecidedCallback;
+  using PermissionDecidedCallback = base::Callback<void(ContentSetting)>;
 
   PermissionQueueController(Profile* profile, ContentSettingsType type);
   ~PermissionQueueController() override;
 
   // The InfoBar will be displayed immediately if the tab is not already
   // displaying one, otherwise it'll be queued.
   void CreateInfoBarRequest(const PermissionRequestID& id,
                             const GURL& requesting_frame,
                             const GURL& embedder,
-                            PermissionDecidedCallback callback);
+                            const PermissionDecidedCallback& callback);
 
   // Cancels a specific infobar request.
   void CancelInfoBarRequest(const PermissionRequestID& id);
 
   // Called by the InfoBarDelegate to notify permission has been set.
   // It'll notify and dismiss any other pending InfoBar request for the same
   // |requesting_frame| and embedder.
   void OnPermissionSet(const PermissionRequestID& id,
                        const GURL& requesting_frame,
                        const GURL& embedder,
@@ skipping 37 matching lines @@
 
   Profile* const profile_;
   ContentSettingsType type_;
   PendingInfobarRequests pending_infobar_requests_;
   bool in_shutdown_;
 
   DISALLOW_COPY_AND_ASSIGN(PermissionQueueController);
 };
 
 #endif  // CHROME_BROWSER_CONTENT_SETTINGS_PERMISSION_QUEUE_CONTROLLER_H_