Supplement should have a Member to the corresponding Supplementable object (Part 1)

third_party/WebKit/Source/modules/audio_output_devices/AudioOutputDeviceClient.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/audio_output_devices/AudioOutputDeviceClient.h"
 
 #include "core/dom/Document.h"
 #include "core/dom/ExecutionContext.h"
-#include "core/frame/LocalFrame.h"
 
 namespace blink {
 
 const char* AudioOutputDeviceClient::supplementName()
 {
     return "AudioOutputDeviceClient";
 }
 
+AudioOutputDeviceClient::AudioOutputDeviceClient(LocalFrame& frame)
+    : Supplement<LocalFrame>(frame)
+{
+}
+
 AudioOutputDeviceClient* AudioOutputDeviceClient::from(ExecutionContext* context)
 {
     if (!context->isDocument())
         return nullptr;
 
     const Document* document = toDocument(context);
     if (!document->frame())
         return nullptr;
 
     return static_cast<AudioOutputDeviceClient*>(Supplement<LocalFrame>::from(document->frame(), supplementName()));
 }
 
 void provideAudioOutputDeviceClientTo(LocalFrame& frame, AudioOutputDeviceClient* client)
 {
     frame.provideSupplement(AudioOutputDeviceClient::supplementName(), client);
 }
 
 DEFINE_TRACE(AudioOutputDeviceClient)
 {
     Supplement<LocalFrame>::trace(visitor);
 }
 
 } // namespace blink