

externs/es5.js: Fix the return type of Object.seal and Object.freeze.

These methods return {!Object}, the object that was passed in.

See https://developer.mozilla.org/en-US/docs/JavaScript/Reference/Global_Objects/Object/freeze.

R=johnlenz
DELTA=9  (3 added, 0 deleted, 6 changed)


Revision created by MOE tool push_codebase.
MOE_MIGRATION=5878


git-svn-id: 818616af560c21f974e3119d89e3310384da871a@2351 b0f006be-c8cd-11de-a2e8-8d36a3108c74

knutwalker/google-closure-compiler,knutwalker/google-closure-compiler