Migrate dwrite_font_proxy.mojom to the new Mojo types

Convert the implementation and all users of the
blink::mojom::DWriteFontProxy interface.

Bug: 955171, 978694
Change-Id: Ia2fd5c7b65b01bb62fb4d91978e8fb4881131c3c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1777803
Reviewed-by: Kentaro Hara <[email protected]>
Reviewed-by: Oksana Zhuravlova <[email protected]>
Reviewed-by: Ken Buchanan <[email protected]>
Reviewed-by: Dominik Röttsches <[email protected]>
Commit-Queue: Henrique Ferreiro <[email protected]>
Cr-Commit-Position: refs/heads/master@{#694726}
19 files changed