Add new disk_cache\*_{win,posix}.cc files to SCons build.  Copy in cross-platform patterns from base\SConscript.  Remove out-of-date comments. TBR: rvargas,evanm
Add new disk_cache\*_{win,posix}.cc files to SCons build.  Copy in
cross-platform patterns from base\SConscript.  Remove out-of-date comments.
TBR: rvargas,evanm

git-svn-id: http://src.chromium.org/svn/trunk/src@829 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: c86902331e322759d616302922c1c8a5a1a469a6
meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser