The externs counterpart to changing Closure's createTextNode

R=nnaze
DELTA=2 (0 added, 1 deleted, 1 changed)


Revision created by MOE tool push_codebase.
MOE_MIGRATION=6152

git-svn-id: http://closure-compiler.googlecode.com/svn/trunk@2470 b0f006be-c8cd-11de-a2e8-8d36a3108c74
Add determinism checking regression test.

R=acleung,nicksantos
DELTA=226 (154 added, 57 deleted, 15 changed)


Revision created by MOE tool push_codebase.
MOE_MIGRATION=6153

git-svn-id: http://closure-compiler.googlecode.com/svn/trunk@2471 b0f006be-c8cd-11de-a2e8-8d36a3108c74