Fixes crash when message IDS_EXTENSION_PACK_DIALOG_SUCCESS_BODY_NEW has non-ASCII characters.
Fixes crash when message IDS_EXTENSION_PACK_DIALOG_SUCCESS_BODY_NEW has non-ASCII characters.

BUG=30736
TEST=Open chrome with --lang=sr and try to pack extension. It shouldn't crash, and files with be generated.

Review URL: http://codereview.chromium.org/503051

git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@34957 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser