Move quota module to oilpan

This moves the storage quota interfaces to oilpan, using transition
types.

Mostly regular, apart from one one interface (DeprecatedStorageQuota)
being used from both a main world and worker context, requiring thread
affinity defaults to be overridden for its class.

R=haraken@chromium.org
BUG=340522

Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=166819

Review URL: https://codereview.chromium.org/158133003

git-svn-id: svn://svn.chromium.org/blink/trunk@166849 bbb929c8-8fbe-4397-9dbb-9b2b20218538