[ChromeOS] Fix a problem that Gaia shows up on every bad auth.

Gaia should only show up after 3 bad auth attempts.

BUG=chromium-os:19248
TEST=Verify fix for chromium-os:19248.


Review URL: http://codereview.chromium.org/7670014

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@97099 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/resources/chromeos/login/screen_gaia_signin.js

@@ -126,8 +126,9 @@ cr.define('login', function() {
      * @param {boolean} takeFocus True to take focus.
      */
     reset: function(takeFocus) {
-      // Reload and show the sign-in UI.
-      Oobe.showSigninUI();
+      // Reload and show the sign-in UI if needed.
+      if (takeFocus)
+        Oobe.showSigninUI();
     }
   };