Use a new Supplement constructor for LocalFrame's supplements

third_party/WebKit/Source/modules/push_messaging/PushController.cpp

 // 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 "modules/push_messaging/PushController.h"
 
 #include "public/platform/modules/push_messaging/WebPushClient.h"
 #include "wtf/Assertions.h"
 
 namespace blink {
 
-PushController::PushController(WebPushClient* client) : m_client(client) {}
-
-PushController* PushController::create(WebPushClient* client) {
-  return new PushController(client);
-}
+PushController::PushController(LocalFrame& frame, WebPushClient* client)
+    : Supplement<LocalFrame>(frame), m_client(client) {}
 
 WebPushClient& PushController::clientFrom(LocalFrame* frame) {
   PushController* controller = PushController::from(frame);
   DCHECK(controller);
   WebPushClient* client = controller->client();
   DCHECK(client);
   return *client;
 }
 
 const char* PushController::supplementName() {
   return "PushController";
 }
 
 void providePushControllerTo(LocalFrame& frame, WebPushClient* client) {
   PushController::provideTo(frame, PushController::supplementName(),
-                            PushController::create(client));
+                            new PushController(frame, client));
 }
 
 }  // namespace blink