Fallback Font Cache and Character Hinting for VRShell

ui/gfx/platform_font_linux.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef UI_GFX_PLATFORM_FONT_LINUX_H_
 #define UI_GFX_PLATFORM_FONT_LINUX_H_
 
 #include <memory>
 #include <string>
 
 #include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "build/build_config.h"
-#include "third_party/skia/include/core/SkRefCnt.h"
+#include "third_party/skia/include/core/SkTypeface.h"
 #include "ui/gfx/font_render_params.h"
 #include "ui/gfx/platform_font.h"
 
-class SkTypeface;
-
 namespace gfx {
 
 class GFX_EXPORT PlatformFontLinux : public PlatformFont {
  public:
   // TODO(derat): Get rid of the default constructor in favor of using
   // FontList (which also has the concept of a default font but may contain
   // multiple font families) everywhere. See http://crbug.com/398885#c16.
   PlatformFontLinux();
   PlatformFontLinux(const std::string& font_name, int font_size_pixels);
 
@@ skipping 16 matching lines @@
   Font::Weight GetWeight() const override;
   int GetBaseline() override;
   int GetCapHeight() override;
   int GetExpectedTextWidth(int length) override;
   int GetStyle() const override;
   const std::string& GetFontName() const override;
   std::string GetActualFontNameForTesting() const override;
   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.
   PlatformFontLinux(sk_sp<SkTypeface> typeface,
                     const std::string& family,
                     int size_pixels,
                     int style,
                     Font::Weight weight,
                     const FontRenderParams& params);
   ~PlatformFontLinux() override;
@@ skipping 38 matching lines @@
   // A font description string of the format used by FontList.
   static std::string* default_font_description_;
 #endif
 
   DISALLOW_COPY_AND_ASSIGN(PlatformFontLinux);
 };
 
 }  // namespace gfx
 
 #endif  // UI_GFX_PLATFORM_FONT_LINUX_H_