[Blink, RemotePlayback] Handle disabling remote playback

third_party/WebKit/Source/modules/remoteplayback/HTMLMediaElementRemotePlayback.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/remoteplayback/HTMLMediaElementRemotePlayback.h"
 
 #include "core/dom/DOMException.h"
 #include "core/dom/Document.h"
 #include "core/dom/QualifiedName.h"
 #include "core/html/HTMLMediaElement.h"
 #include "modules/remoteplayback/RemotePlayback.h"
 
 namespace blink {
 
 // static
 bool HTMLMediaElementRemotePlayback::fastHasAttribute(
     const QualifiedName& name,
     const HTMLMediaElement& element) {
   ASSERT(name == HTMLNames::disableremoteplaybackAttr);
   return element.fastHasAttribute(name);
 }
 
 // static
 void HTMLMediaElementRemotePlayback::setBooleanAttribute(
     const QualifiedName& name,
     HTMLMediaElement& element,
     bool value) {
   ASSERT(name == HTMLNames::disableremoteplaybackAttr);
   element.setBooleanAttribute(name, value);
+
+  HTMLMediaElementRemotePlayback& self =
+      HTMLMediaElementRemotePlayback::from(element);
+  if (self.m_remote && value)
+    self.m_remote->remotePlaybackDisabled();
 }
 
 // static
 HTMLMediaElementRemotePlayback& HTMLMediaElementRemotePlayback::from(
     HTMLMediaElement& element) {
   HTMLMediaElementRemotePlayback* supplement =
       static_cast<HTMLMediaElementRemotePlayback*>(
           Supplement<HTMLMediaElement>::from(element, supplementName()));
   if (!supplement) {
     supplement = new HTMLMediaElementRemotePlayback();
@@ skipping 22 matching lines @@
 const char* HTMLMediaElementRemotePlayback::supplementName() {
   return "HTMLMediaElementRemotePlayback";
 }
 
 DEFINE_TRACE(HTMLMediaElementRemotePlayback) {
   visitor->trace(m_remote);
   Supplement<HTMLMediaElement>::trace(visitor);
 }
 
 }  // namespace blink