Fixes for re-enabling more MSVC level 4 warnings: content/renderer/ edition

content/renderer/notification_provider.cc

 // Copyright (c) 2012 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/renderer/notification_provider.h"
 
 #include "base/strings/string_util.h"
 #include "content/common/desktop_notification_messages.h"
 #include "content/common/frame_messages.h"
 #include "content/renderer/render_frame_impl.h"
@@ skipping 49 matching lines @@
     const WebNotification& notification) {
   int id;
   bool id_found = manager_.GetId(notification, id);
   // Won't be found if the notification has already been closed by the user.
   if (id_found)
     manager_.UnregisterNotification(id);
 }
 
 WebNotificationPresenter::Permission NotificationProvider::checkPermission(
     const WebSecurityOrigin& origin) {
-  int permission;
+  int permission = WebNotificationPresenter::PermissionNotAllowed;
   Send(new DesktopNotificationHostMsg_CheckPermission(
           routing_id(),
           GURL(origin.toString()),
           &permission));
   return static_cast<WebNotificationPresenter::Permission>(permission);
 }
 
 void NotificationProvider::requestPermission(
     const WebSecurityOrigin& origin,
     WebNotificationPermissionCallback* callback) {
@@ skipping 64 matching lines @@
   DCHECK(callback);
   callback->permissionRequestComplete();
   manager_.OnPermissionRequestComplete(id);
 }
 
 void NotificationProvider::OnNavigate() {
   manager_.Clear();
 }
 
 }  // namespace content