Implement MediaMetadata artwork in Blink

third_party/WebKit/Source/modules/mediasession/MediaSession.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/mediasession/MediaSession.h"
 
 #include "bindings/core/v8/CallbackPromiseAdapter.h"
 #include "bindings/core/v8/ScriptPromiseResolver.h"
 #include "bindings/core/v8/ScriptState.h"
 #include "core/dom/DOMException.h"
@@ skipping 39 matching lines @@
     ScriptPromiseResolver* resolver = ScriptPromiseResolver::create(scriptState);
     ScriptPromise promise = resolver->promise();
 
     m_webMediaSession->deactivate(new CallbackPromiseAdapter<void, void>(resolver));
     return promise;
 }
 
 void MediaSession::setMetadata(MediaMetadata* metadata)
 {
     m_metadata = metadata;
-
-    m_webMediaSession->setMetadata(m_metadata ? m_metadata->data() : nullptr);
+    if (metadata) {
+        WebMediaMetadata webMetadata = (WebMediaMetadata) *metadata;
+        m_webMediaSession->setMetadata(&webMetadata);
+    } else {
+        m_webMediaSession->setMetadata(nullptr);
+    }
 }
 
 MediaMetadata* MediaSession::metadata() const
 {
     return m_metadata;
 }
 
 DEFINE_TRACE(MediaSession)
 {
     visitor->trace(m_metadata);
 }
 
 } // namespace blink