Move Windows specific font code to platform/fonts/win

Move a couple of Windows specific font files from platform/fonts/skia
to platform/fonts/win and fix the style warnings for the moved files.

R=dglazkov@chromium.org
BUG=

Review URL: https://codereview.chromium.org/179903005

git-svn-id: svn://svn.chromium.org/blink/trunk@167892 bbb929c8-8fbe-4397-9dbb-9b2b20218538