Implement support for CSS font-stretch on Windows

Source/platform/fonts/skia/FontCacheSkia.cpp

 /*
  * Copyright (c) 2006, 2007, 2008, 2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 149 matching lines @@
     }
 #endif
 
     ASSERT(fontPlatformData);
     return fontDataFromFontPlatformData(fontPlatformData, shouldRetain);
 }
 
 #if OS(WIN)
 static inline SkFontStyle fontStyle(const FontDescription& fontDescription)
 {
-    int width = SkFontStyle::kNormal_Width;
+    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);
 }
+
+COMPILE_ASSERT(FontStretchUltraCondensed == SkFontStyle::kUltraCondensed_Width,
+    FontStretchUltraCondensedMapsTokUltraCondensed_Width);
+COMPILE_ASSERT(FontStretchNormal == SkFontStyle::kNormal_Width,
+    FontStretchNormalMapsTokNormal_Width);
+COMPILE_ASSERT(FontStretchUltraExpanded == SkFontStyle::kUltaExpanded_Width,
+    FontStretchUltraExpandedMapsTokUltaExpanded_Width);
 #endif
 
 PassRefPtr<SkTypeface> FontCache::createTypeface(const FontDescription& fontDescription, const FontFaceCreationParams& creationParams, CString& name)
 {
 #if !OS(WIN) && !OS(ANDROID)
     if (creationParams.creationType() == CreateFontByFciIdAndTtcIndex) {
         // TODO(dro): crbug.com/381620 Use creationParams.ttcIndex() after
         // https://code.google.com/p/skia/issues/detail?id=1186 gets fixed.
         SkTypeface* typeface = nullptr;
         if (Platform::current()->sandboxSupport())
@@ skipping 58 matching lines @@
         fontSize,
         (fontDescription.weight() >= FontWeight600 && !tf->isBold()) || fontDescription.isSyntheticBold(),
         (fontDescription.style() && !tf->isItalic()) || fontDescription.isSyntheticItalic(),
         fontDescription.orientation(),
         fontDescription.useSubpixelPositioning());
     return result;
 }
 #endif // !OS(WIN)
 
 } // namespace blink