
Make BrowserChannel work in IE9.

IE9 is more strict about how documents are constructed and how nodes are appended. This change makes the ChannelRequest conform to those requirements.

R=rrhett
DELTA=3  (0 added, 0 deleted, 3 changed)


Revision created by MOE tool push_codebase.
MOE_MIGRATION=358


yamadatomonori/closure-library,yamadatomonori/closure-library,yamadatomonori/closure-library