Use a new Supplement constructor for LocalFrame's supplements

third_party/WebKit/Source/modules/presentation/PresentationController.cpp

 // Copyright 2015 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/presentation/PresentationController.h"
 
 #include "core/dom/Document.h"
 #include "core/frame/LocalFrame.h"
 #include "modules/presentation/PresentationConnection.h"
 #include "public/platform/modules/presentation/WebPresentationClient.h"
 #include "wtf/PtrUtil.h"
 #include <memory>
 
 namespace blink {
 
 PresentationController::PresentationController(LocalFrame& frame,
                                                WebPresentationClient* client)
-    : ContextLifecycleObserver(frame.document()), m_client(client) {
+    : Supplement<LocalFrame>(frame),
+      ContextLifecycleObserver(frame.document()),
+      m_client(client) {
   if (m_client)
     m_client->setController(this);
 }
 
 PresentationController::~PresentationController() {
   if (m_client)
     m_client->setController(nullptr);
 }
 
 // static
@@ skipping 126 matching lines @@
     const WebPresentationSessionInfo& sessionInfo) {
   for (const auto& connection : m_connections) {
     if (connection->matches(sessionInfo))
       return connection.get();
   }
 
   return nullptr;
 }
 
 }  // namespace blink