DevTools: Rename WebInspector.SettingsTab.createFoo instances missed in r165523

TBR=pfeldman

Review URL: https://codereview.chromium.org/144973002

git-svn-id: svn://svn.chromium.org/blink/trunk@165525 bbb929c8-8fbe-4397-9dbb-9b2b20218538