Code:  void AppModalDialog::CompleteDialog() {
  AppModalDialogQueue::GetInstance()->ShowNextDialog();
 }

Vulnerability Type: DoS 
CWE ID: CWE-20
Summary: The extension system in Google Chrome before 22.0.1229.79 does not properly handle modal dialogs, which allows remote attackers to cause a denial of service (application crash) via unspecified vectors.
Commit Message: Fix a Windows crash bug with javascript alerts from extension popups.

BUG=137707


Review URL: https://chromiumcodereview.appspot.com/10828423

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@152716 0039d316-1c4b-4281-b951-d872f2087c98