
Fix Opera bug in goog.net.IframeIo.
Opera clones <textarea>.value fine by itself, but setting <textarea>.textContent will truncate a leading and trailing newline character from the value.

R=pupius
DELTA=4  (2 added, 0 deleted, 2 changed)


Revision created by MOE tool push_codebase.
MOE_MIGRATION=671


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