message: Don't swallow error.
diff: @@ -278,6 +278,7 @@ class ContentMessages {
  sendStickerContentToRoom(url, roomId, info, text, matrixClient) {
  return MatrixClientPeg.get().sendStickerMessage(roomId, url, info, text).catch((e) => {
  console.warn(`Failed to send content with URL ${url} to room ${roomId}`, e);
  + throw e;
  });
  }
  