[DirectWrite] Force full hinting for certain fonts

Change FontCacheSkiaWin to force the use of full hinting (which in turn
will trigger GDI style rendering with the next skia update) for certain
fonts. The list of fonts is limited to "Courier New" for now but will
likely need to be expanded somewhat.

R=cpu@chromium.org
BUG=357864

Review URL: https://codereview.chromium.org/213673011

git-svn-id: svn://svn.chromium.org/blink/trunk@170668 bbb929c8-8fbe-4397-9dbb-9b2b20218538