Implement MediaMetadata artwork in Blink

third_party/WebKit/Source/modules/mediasession/MediaArtwork.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 "modules/mediasession/MediaArtwork.h"
+
+#include "core/dom/ExecutionContext.h"
+#include "modules/mediasession/MediaArtworkInit.h"
+#include "wtf/text/WTFString.h"
+
+namespace blink {
+
+// static
+MediaArtwork* MediaArtwork::create(ExecutionContext* context, const MediaArtworkInit& artwork)
+{
+    return new MediaArtwork(context, artwork);
+}
+
+MediaArtwork::MediaArtwork(ExecutionContext* context, const MediaArtworkInit& artwork)
+{
+    KURL src = context->completeURL(artwork.src());
+    m_data.src = src;

[mlamouri (slow - plz ping), 2016/05/31 16:41:50]

remove the temporary variable?

[Zhiqiang Zhang (Slow), 2016/06/01 19:40:57]

Done.

+    m_data.sizes = artwork.sizes();
+    m_data.type = artwork.type();
+}
+
+String MediaArtwork::src() const
+{
+    return m_data.src;
+}
+
+String MediaArtwork::sizes() const
+{
+    return m_data.sizes;
+}
+
+String MediaArtwork::type() const
+{
+    return m_data.type;
+}
+
+} // namespace blink