Keep font styles for system fonts

This CL is fixing the imports of the system fonts. The previous code
was not taking care of the font styles.

The bug was introduced here:
 https://chromium-review.googlesource.com/c/chromium/src/+/1544229

The system font is created only by it's name and size:
 return Font(PlatformFont::CreateFromNameAndSize(font_name, font_size));

Some users are overriding the system font with a custom one. That font
may have some styles. The default windows configuration doesn't allow
to change the font styles, but advanced fonts software may do.

  Advanced System Font Changer:
  https://www.wintools.info/index.php/advanced-system-font-changer-icon-settings

[email protected],[email protected]

Bug: 989476
Change-Id: Ie88ccf4452c5156de48e4f4a4bda87bd167850e4
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1732733
Reviewed-by: Alexei Svitkine <[email protected]>
Reviewed-by: Robert Liao <[email protected]>
Commit-Queue: Etienne Bergeron <[email protected]>
Cr-Commit-Position: refs/heads/master@{#683774}
3 files changed