Avoid to include IDL-generated headers from EventTarget.h and Node.h

third_party/WebKit/Source/web/WebMediaDeviceChangeObserver.cpp

 // Copyright 2016 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 "public/web/WebMediaDeviceChangeObserver.h"
 
 #include "core/dom/Document.h"
 #include "modules/mediastream/MediaDevices.h"
+#include "platform/weborigin/SecurityOrigin.h"
 #include "public/platform/WebSecurityOrigin.h"
 
 namespace blink {
 
 WebMediaDeviceChangeObserver::WebMediaDeviceChangeObserver()
     : m_private(nullptr) {}
 
 WebMediaDeviceChangeObserver::WebMediaDeviceChangeObserver(bool unused)
     : m_private(MediaDevices::create(Document::create())) {}
 
@@ skipping 38 matching lines @@
 void WebMediaDeviceChangeObserver::assign(
     const WebMediaDeviceChangeObserver& other) {
   m_private = other.m_private;
 }
 
 void WebMediaDeviceChangeObserver::reset() {
   m_private.reset();
 }
 
 }  // namespace blink