Add LocalStorageDatabaseTracker class
Created attachment 200773 [details] Patch
Comment on attachment 200773 [details] Patch Attachment 200773 [details] did not pass qt-wk2-ews (qt-wk2): Output: http://webkit-queues.appspot.com/results/438085
Committed r149637: <http://trac.webkit.org/changeset/149637>