Write depends file in utf8 mode instead of in a system-dependent encoding.

BUG=466008
Review URL: https://codereview.chromium.org/1271303002/
Patch from Leung Wing Chung <lwchkg@gmail.com>!


git-svn-id: http://grit-i18n.googlecode.com/svn/trunk@193 7262f16d-afe8-6277-6482-052fa10e57b1
1 file changed