Add Docs-related properties to HSTS list, with permission from that team.
Add Docs-related properties to HSTS list, with permission from that team.

BUG=none
TEST=none

Review URL: http://codereview.chromium.org/6648026

git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@77500 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