Use Skia API on Windows to get font family name

Change the Windows implementation of FontPlatformData::fontFamilyName
to use the SkTypeface getFamilyName API instead of calling GDI directly.
This further reduces our reliance on HFONTs and gets us closer to
removing the HFONT reference entirely.

BUG=251355
R=pdr@chromium.org

Review URL: https://codereview.chromium.org/25519004

git-svn-id: svn://svn.chromium.org/blink/trunk@160284 bbb929c8-8fbe-4397-9dbb-9b2b20218538