Add Platform::queryUsageAndQuota() interface to deprecate WebFrameClient's one

Also move related StorageQuota interfaces from web/ to platform/

BUG=259660
TEST=no behavioral change

Review URL: https://chromiumcodereview.appspot.com/18535010

git-svn-id: svn://svn.chromium.org/blink/trunk@154473 bbb929c8-8fbe-4397-9dbb-9b2b20218538