Implement MediaMetadata artwork in content

content/common/android/media_metadata_android.cc

Index: content/common/android/media_metadata_android.cc
diff --git a/content/common/android/media_metadata_android.cc b/content/common/android/media_metadata_android.cc
index 0bd1563175891fc221764f984e5f1b048c62ab0f..3b35393a5846f4441d05bfbd3ccd4c05b0555c79 100644
--- a/content/common/android/media_metadata_android.cc
+++ b/content/common/android/media_metadata_android.cc
@@ -21,8 +21,29 @@ MediaMetadataAndroid::CreateJavaObject(
   ScopedJavaLocalRef<jstring> j_album(
       base::android::ConvertUTF16ToJavaString(env, metadata.album));
 
-  return Java_MediaMetadata_create(
+  ScopedJavaLocalRef<jobject> j_metadata = Java_MediaMetadata_create(
       env, j_title.obj(), j_artist.obj(), j_album.obj());
+
+  for (const auto& artwork : metadata.artworks) {
+    std::string src = artwork.src.spec();
+    base::string16 type = artwork.type.is_null() ?
+        base::string16() : artwork.type.string();
+    ScopedJavaLocalRef<jstring> j_src(
+        base::android::ConvertUTF8ToJavaString(env, src));
+    ScopedJavaLocalRef<jstring> j_type(
+        base::android::ConvertUTF16ToJavaString(env, type));
+
+    ScopedJavaLocalRef<jobject> j_artwork = Java_MediaMetadata_createArtwork(
+        env, j_src.obj(), j_type.obj());
+    for (const auto& size : artwork.sizes) {
+      Java_MediaMetadata_addArtworkSize(
+          env, j_artwork.obj(), size.width(), size.height());
+    }
+    Java_MediaMetadata_addArtwork(
+        env, j_metadata.obj(), j_artwork.obj());
+  }
+
+  return j_metadata;
 }
 
 // static