
Add window.location.origin and window.location.ancestorOrigins, which
are new properties and currently only available in Google Chrome but
eventually should show up in other browsers.

R=adeboor
DELTA=12  (12 added, 0 deleted, 0 changed)


Revision created by MOE tool push_codebase.
MOE_MIGRATION=4568


ajukraine/closure-compiler,ajukraine/closure-compiler