
Add externs for Blob.webkitSlice and Blob.mozSlice. These vendor
specific versions replace Blob.slice in the latest Chrome and Firefox.

R=nicksantos
DELTA=41  (41 added, 0 deleted, 0 changed)


Revision created by MOE tool push_codebase.
MOE_MIGRATION=1491


git-svn-id: 818616af560c21f974e3119d89e3310384da871a@1016 b0f006be-c8cd-11de-a2e8-8d36a3108c74

nuxleus/closure-compiler,nuxleus/closure-compiler