Making what gets generated platform conditional to allow gradual phase in on windows.
Making what gets generated platform conditional to allow gradual phase in on windows.

Review URL: http://codereview.chromium.org/42003

git-svn-id: http://src.chromium.org/svn/trunk/src@11387 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 29d5132deb53b2c32e26e4f04467627d70bb38d6
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