Use Skia for font selection on windows

Source/core/platform/graphics/FontCache.h

Index: Source/core/platform/graphics/FontCache.h
diff --git a/Source/core/platform/graphics/FontCache.h b/Source/core/platform/graphics/FontCache.h
index b268374ac5ecc077be223094b99d6a0a7594e506..a7aafad6504fac5379ef5459e03ca06a1fa00905 100644
--- a/Source/core/platform/graphics/FontCache.h
+++ b/Source/core/platform/graphics/FontCache.h
@@ -44,6 +44,8 @@
 #include <mlang.h>
 #endif
 
+class SkTypeface;
+
 namespace WebCore {
 
 class Font;
@@ -126,6 +128,9 @@ private:
     PassRefPtr<SimpleFontData> getSimilarFontPlatformData(const Font&);
     FontPlatformData* createFontPlatformData(const FontDescription&, const AtomicString& family);
 
+    // Implemented on skia platforms.
+    SkTypeface* createTypeface(const FontDescription&, const AtomicString& family);
+
     PassRefPtr<SimpleFontData> getFontResourceData(const FontPlatformData*, ShouldRetain = Retain);
     const FontPlatformData* getFallbackFontData(const FontDescription&);