DevTools: Do not use WebInspector.UIString in TempStorageSharedWorker

R=yurys
NOTRY=true

Review URL: https://codereview.chromium.org/137313008

git-svn-id: svn://svn.chromium.org/blink/trunk@165385 bbb929c8-8fbe-4397-9dbb-9b2b20218538