Fix bug preventing app icons in notification settings view.

Icons loaded asynchronously needed to cause a relayout instead of just
a change to the layout manager.

R=jianli@chromium.org
BUG=315244

Review URL: https://codereview.chromium.org/61003002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@233532 0039d316-1c4b-4281-b951-d872f2087c98

ui/message_center/views/notifier_settings_view.cc

@@ -469,6 +469,8 @@ void NotifierSettingsView::NotifierButton::GridChanged(bool has_learn_more,
   layout->AddView(name_view_);
   if (has_learn_more)
     layout->AddView(learn_more_);
+
+  Layout();
 }
 
 NotifierSettingsView::NotifierSettingsView(NotifierSettingsProvider* provider)