Refresh indexdb externs as the spec seems to have changed.
Refresh indexdb externs as the spec seems to have changed.

R=nicksantos

git-svn-id: 818616af560c21f974e3119d89e3310384da871a@2302 b0f006be-c8cd-11de-a2e8-8d36a3108c74

weitzj/closure-compiler,weitzj/closure-compiler