Implement MediaMetadata artwork in content

content/renderer/media/android/webmediasession_android.cc

Index: content/renderer/media/android/webmediasession_android.cc
diff --git a/content/renderer/media/android/webmediasession_android.cc b/content/renderer/media/android/webmediasession_android.cc
index c1a936d1e25c6b70a24dd21cf26fdc57c03a66dd..7dc2b74e9050e9950a5c2847b87c431558405eff 100644
--- a/content/renderer/media/android/webmediasession_android.cc
+++ b/content/renderer/media/android/webmediasession_android.cc
@@ -9,6 +9,7 @@
 #include "base/logging.h"
 #include "base/memory/ptr_util.h"
 #include "content/public/common/media_metadata.h"
+#include "content/renderer/manifest/manifest_parser.h"
 #include "content/renderer/media/android/renderer_media_session_manager.h"
 #include "third_party/WebKit/public/platform/modules/mediasession/WebMediaMetadata.h"
 
@@ -42,6 +43,13 @@ void WebMediaSessionAndroid::setMetadata(
     metadata.title = web_metadata->title;
     metadata.artist = web_metadata->artist;
     metadata.album = web_metadata->album;
+    for (const auto& web_artwork : web_metadata->artworks) {
+      MediaMetadata::Artwork artwork;
+      artwork.src = GURL(base::string16(web_artwork.src));
+      artwork.type = web_artwork.type;
+      artwork.sizes = ParseIconSizesHTML(web_artwork.sizes);
+      metadata.artworks.push_back(artwork);
+    }
   }
 
   session_manager_->SetMetadata(media_session_id_, metadata);