Windows: Fix the default font size for form controls in non-1.0 device scale factor.
The font size was too small in DSF>1.0 because pointsToPixels() unnecessarily
multiplied the value by device scale factor. Font sizes in this code should be
treated as DIP size.
BUG=
674663
Committed:
https://crrev.com/a5ade1a60231b618854923338a13c8a53f44ee95
Cr-Commit-Position: refs/heads/master@{#439724}