Switch WebIDBDatabase::put over to the version with blobs.
Also, remove the shims in the other direction [WebIDBCallbacks], now that the Chromium side has landed.

BUG=108012

Review URL: https://codereview.chromium.org/266583002

git-svn-id: svn://svn.chromium.org/blink/trunk@173337 bbb929c8-8fbe-4397-9dbb-9b2b20218538