am 336d7dcb: The default AlertDialog allows cancel. But the default JSConfim doesn\'t have a cancel listener. So when user cancel the dialog, we do not wake up the WebCoreThread. The same code is already done for JSPrompt dialog correctly.

Merge commit '336d7dcb105a43ee4de51fd0f26f277c63662f02' into froyo-plus-aosp

* commit '336d7dcb105a43ee4de51fd0f26f277c63662f02':
  The default AlertDialog allows cancel. But the default