Rename css/WebKitFontFamily.in to css/FontFamily.in

And fix the calling sites. I took the opportunity to fix some styling
issues in the code generator script.

Review URL: https://codereview.chromium.org/16093008

git-svn-id: svn://svn.chromium.org/blink/trunk@151410 bbb929c8-8fbe-4397-9dbb-9b2b20218538
10 files changed