Implement MediaMetadata artwork in content

content/renderer/media/android/renderer_media_session_manager.cc

Index: content/renderer/media/android/renderer_media_session_manager.cc
diff --git a/content/renderer/media/android/renderer_media_session_manager.cc b/content/renderer/media/android/renderer_media_session_manager.cc
index b5331c7472a30cacc4582ef5b350b0a0c67a6615..75ef0f5175157a555f87e7a2d19eaf50c24101b8 100644
--- a/content/renderer/media/android/renderer_media_session_manager.cc
+++ b/content/renderer/media/android/renderer_media_session_manager.cc
@@ -74,6 +74,16 @@ void RendererMediaSessionManager::SetMetadata(
   ipc_metadata.album =
       metadata.album.substr(0, MediaMetadata::kMaxIPCStringLength);
 
+  for (const auto& artwork : metadata.artwork) {
+    auto sanitized_artwork =
+        MediaMetadata::SanitizeArtwork(artwork);
+    if (sanitized_artwork)
+      ipc_metadata.artwork.push_back(sanitized_artwork.value());
+
+    if (ipc_metadata.artwork.size() >= MediaMetadata::kMaxNumberOfArtworkImages)
+      break;
+  }
+
   Send(new MediaSessionHostMsg_SetMetadata(routing_id(),
                                            session_id,
                                            ipc_metadata));