Group the different permission related methods in the content api.

chrome/browser/notifications/desktop_notification_service.cc

Index: chrome/browser/notifications/desktop_notification_service.cc
diff --git a/chrome/browser/notifications/desktop_notification_service.cc b/chrome/browser/notifications/desktop_notification_service.cc
index fad44eb4d08637db2d682900097157e443a90a9d..e8b26417700868fe993771b4c6c519271a55f865 100644
--- a/chrome/browser/notifications/desktop_notification_service.cc
+++ b/chrome/browser/notifications/desktop_notification_service.cc
@@ -142,7 +142,7 @@ void DesktopNotificationService::RequestNotificationPermission(
     const PermissionRequestID& request_id,
     const GURL& requesting_origin,
     bool user_gesture,
-    const NotificationPermissionCallback& callback) {
+    const base::Callback<void(bool)>& result_callback) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 
 #if defined(ENABLE_EXTENSIONS)
@@ -169,7 +169,7 @@ void DesktopNotificationService::RequestNotificationPermission(
           extensions::APIPermission::kNotifications,
           extension,
           web_contents->GetRenderViewHost())) {
-    callback.Run(blink::WebNotificationPermissionAllowed);
+    result_callback.Run(true);
     return;
   }
 #endif
@@ -179,9 +179,7 @@ void DesktopNotificationService::RequestNotificationPermission(
       request_id,
       requesting_origin,
       user_gesture,
-      base::Bind(&DesktopNotificationService::OnNotificationPermissionRequested,
-                 weak_factory_.GetWeakPtr(),
-                 callback));
+      result_callback);
 }
 
 void DesktopNotificationService::ShowDesktopNotification(
@@ -357,15 +355,6 @@ void DesktopNotificationService::UpdateContentSetting(
   }
 }
 
-void DesktopNotificationService::OnNotificationPermissionRequested(
-    const NotificationPermissionCallback& callback, bool allowed) {
-  blink::WebNotificationPermission permission = allowed ?
-      blink::WebNotificationPermissionAllowed :
-      blink::WebNotificationPermissionDenied;
-
-  callback.Run(permission);
-}
-
 void DesktopNotificationService::FirePermissionLevelChangedEvent(
     const NotifierId& notifier_id, bool enabled) {
 #if defined(ENABLE_EXTENSIONS)