Use Skia's matchFamilyStyleCharacter API for font fallback

third_party/WebKit/Source/platform/fonts/skia/FontCacheSkia.cpp

Index: third_party/WebKit/Source/platform/fonts/skia/FontCacheSkia.cpp
diff --git a/third_party/WebKit/Source/platform/fonts/skia/FontCacheSkia.cpp b/third_party/WebKit/Source/platform/fonts/skia/FontCacheSkia.cpp
index d9af8814f20745f374402948176848edc5db9597..6fe626e80cbb7bba7a58f922ee53e3a7cdc579ee 100644
--- a/third_party/WebKit/Source/platform/fonts/skia/FontCacheSkia.cpp
+++ b/third_party/WebKit/Source/platform/fonts/skia/FontCacheSkia.cpp
@@ -216,25 +216,6 @@ const Vector<AtomicString> FontCache::platformFontListForFallbackPriority(FontFa
     return returnVector;
 }
 
-#if OS(WIN)
-static inline SkFontStyle fontStyle(const FontDescription& fontDescription)
-{
-    int width = static_cast<int>(fontDescription.stretch());
-    int weight = (fontDescription.weight() - FontWeight100 + 1) * 100;
-    SkFontStyle::Slant slant = fontDescription.style() == FontStyleItalic
-        ? SkFontStyle::kItalic_Slant
-        : SkFontStyle::kUpright_Slant;
-    return SkFontStyle(weight, width, slant);
-}
-
-static_assert(static_cast<int>(FontStretchUltraCondensed) == static_cast<int>(SkFontStyle::kUltraCondensed_Width),
-    "FontStretchUltraCondensed should map to kUltraCondensed_Width");
-static_assert(static_cast<int>(FontStretchNormal) == static_cast<int>(SkFontStyle::kNormal_Width),
-    "FontStretchNormal should map to kNormal_Width");
-static_assert(static_cast<int>(FontStretchUltraExpanded) == static_cast<int>(SkFontStyle::kUltaExpanded_Width),
-    "FontStretchUltraExpanded should map to kUltaExpanded_Width");
-#endif
-
 PassRefPtr<SkTypeface> FontCache::createTypeface(const FontDescription& fontDescription, const FontFaceCreationParams& creationParams, CString& name)
 {
 #if !OS(WIN) && !OS(ANDROID)
@@ -271,9 +252,8 @@ PassRefPtr<SkTypeface> FontCache::createTypeface(const FontDescription& fontDesc
 
     if (m_fontManager) {
         return adoptRef(useDirectWrite()
-            ? m_fontManager->matchFamilyStyle(name.data(), fontStyle(fontDescription))
-            : m_fontManager->legacyCreateTypeface(name.data(), style)
-            );
+            ? m_fontManager->matchFamilyStyle(name.data(), fontDescription.skiaFontStyle())
+            : m_fontManager->legacyCreateTypeface(name.data(), style));
     }
 #endif