Fix processing newline on Windows chrome_html_unittests.
Fix processing newline on Windows chrome_html_unittests.

BUG=16
TEST=./grit.py unit passes testRemoveUnsupportedScale

Review URL: https://codereview.chromium.org/15132011

imuse2012/grit-i18n,camny125/grit-i18n,camny125/grit-i18n,imuse2012/grit-i18n