Media Session: use dictionary instead of an interface for MediaImage.

third_party/WebKit/Source/modules/mediasession/MediaMetadata.cpp

Index: third_party/WebKit/Source/modules/mediasession/MediaMetadata.cpp
diff --git a/third_party/WebKit/Source/modules/mediasession/MediaMetadata.cpp b/third_party/WebKit/Source/modules/mediasession/MediaMetadata.cpp
index a3b93e1c3c2ce2c85782cb27ec1e0b50e8c7d27a..9fb4bdf1cf1767470c8141d0317591e4f6a69cb9 100644
--- a/third_party/WebKit/Source/modules/mediasession/MediaMetadata.cpp
+++ b/third_party/WebKit/Source/modules/mediasession/MediaMetadata.cpp
@@ -23,8 +23,7 @@ MediaMetadata::MediaMetadata(ExecutionContext* context,
   m_title = metadata.title();
   m_artist = metadata.artist();
   m_album = metadata.album();
-  for (const auto& image : metadata.artwork())
-    m_artwork.append(MediaImage::create(context, image));
+  m_artwork = metadata.artwork();

[Zhiqiang Zhang (Slow), 2017/01/04 16:05:24]

Create copies of MediaImages and freeze them if we decide to do so.

[mlamouri (slow - plz ping), 2017/01/05 15:40:20]

Done.

 }
 
 String MediaMetadata::title() const {
@@ -39,7 +38,7 @@ String MediaMetadata::album() const {
   return m_album;
 }
 
-const HeapVector<Member<MediaImage>>& MediaMetadata::artwork() const {
+const HeapVector<MediaImage>& MediaMetadata::artwork() const {
   return m_artwork;
 }
 
@@ -58,7 +57,7 @@ void MediaMetadata::setAlbum(const String& album) {
   notifySessionAsync();
 }
 
-void MediaMetadata::setArtwork(const HeapVector<Member<MediaImage>>& artwork) {
+void MediaMetadata::setArtwork(const HeapVector<MediaImage>& artwork) {
   m_artwork = artwork;
   notifySessionAsync();
 }