touchui login: Fix a crash in debug build in the login screen.

The status area for the login screen is created at startup, so it is not necessary to recreate it after the page has completed rendering.

BUG=none
TEST=manually: start chrome with the login screen in a debug touchui build.

Review URL: http://codereview.chromium.org/7645024

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@96780 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/chromeos/login/touch_login_view.cc

@@ -120,7 +120,8 @@ void TouchLoginView::Layout() {
 }
 
 void TouchLoginView::InitStatusArea() {
-  DCHECK(status_area_ == NULL);
+  if (status_area_)
+    return;
   status_area_ = new StatusAreaView(this);
   status_area_->Init();
   AddChildView(status_area_);