Group the different permission related methods in the content api.

content/shell/browser/layout_test/layout_test_notification_manager.cc

 // Copyright 2014 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.
 
 #include "content/shell/browser/layout_test/layout_test_notification_manager.h"
 
 #include "base/strings/utf_string_conversions.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/desktop_notification_delegate.h"
 #include "content/public/common/show_desktop_notification_params.h"
@@ skipping 11 matching lines @@
   NotificationPermissionMap::iterator iter =
       permission_map_.find(origin);
   if (iter == permission_map_.end())
     return blink::WebNotificationPermissionDefault;
 
   return iter->second;
 }
 
 void LayoutTestNotificationManager::RequestPermission(
     const GURL& origin,
-    const base::Callback<void(blink::WebNotificationPermission)>& callback) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
-  callback.Run(CheckPermission(origin));
+    const base::Callback<void(bool)>& callback) {
+  bool allowed =
+      CheckPermission(origin) == blink::WebNotificationPermissionAllowed;
+  callback.Run(allowed);
 }
 
 void LayoutTestNotificationManager::SetPermission(
     const GURL& origin,
     blink::WebNotificationPermission permission) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
   permission_map_[origin] = permission;
 }
 
 void LayoutTestNotificationManager::ClearPermissions() {
@@ skipping 48 matching lines @@
 void LayoutTestNotificationManager::Close(const std::string& title) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   auto iterator = notifications_.find(title);
   if (iterator == notifications_.end())
     return;
 
   iterator->second->NotificationClosed(false);
 }
 
 }  // namespace content