Fallback Font Cache and Character Hinting for VRShell

ui/gfx/platform_font_linux.h

Index: ui/gfx/platform_font_linux.h
diff --git a/ui/gfx/platform_font_linux.h b/ui/gfx/platform_font_linux.h
index 95f5efb925038ce9d46ad24c7a08264f807980e0..b96c7f56cf5b32925007cd9f231ae190fc565cf8 100644
--- a/ui/gfx/platform_font_linux.h
+++ b/ui/gfx/platform_font_linux.h
@@ -53,6 +53,8 @@ class GFX_EXPORT PlatformFontLinux : public PlatformFont {
   int GetFontSize() const override;
   const FontRenderParams& GetFontRenderParams() override;
 
+  sk_sp<SkTypeface> typeface() const { return typeface_; }
+
  private:
   // Create a new instance of this object with the specified properties. Called
   // from DeriveFont.