hterm: Add missing text_attributes.js file
hterm: Add missing text_attributes.js file

BUG=chromium-os:23275
TEST=test_harness.html, 55/55 tests passed.

Change-Id: I1caace6144f9294c4d178f5cbf7e49a4feb52f55
Reviewed-on: https://gerrit.chromium.org/gerrit/15121
Reviewed-by: Zelidrag Hornung <2423ba2b026624ad482ad8e6887b2d657f9c0c43@chromium.org>
Commit-Ready: Robert Ginda <4419ac4e35d191308e944202d542b192188656d1@chromium.org>
Tested-by: Robert Ginda <4419ac4e35d191308e944202d542b192188656d1@chromium.org>

chromium/hterm,chromium/hterm,chromium/hterm,chromium/hterm