Revert 181541 "Merge FontPlatformDataHarfBuzz and FontPlatformData headers"

Source/platform/fonts/mac/FontMac.cpp

Index: Source/platform/fonts/mac/FontMac.cpp
diff --git a/Source/platform/fonts/mac/FontMac.cpp b/Source/platform/fonts/mac/FontMac.cpp
index c522c82266b9f654f1d2bb47c5613be2517e57b9..b3354fcfa6faef8d085131f42d861ee1bdd06848 100644
--- a/Source/platform/fonts/mac/FontMac.cpp
+++ b/Source/platform/fonts/mac/FontMac.cpp
@@ -52,7 +52,7 @@ bool FontPlatformFeatures::canExpandAroundIdeographsInComplexText()
 static void setupPaint(SkPaint* paint, const SimpleFontData* fontData, const Font* font, bool shouldAntialias, bool shouldSmoothFonts)
 {
     const FontPlatformData& platformData = fontData->platformData();
-    const float textSize = platformData.m_textSize >= 0 ? platformData.m_textSize : 12;
+    const float textSize = platformData.m_size >= 0 ? platformData.m_size : 12;
 
     paint->setAntiAlias(shouldAntialias);
     paint->setEmbeddedBitmapText(false);
@@ -60,7 +60,7 @@ static void setupPaint(SkPaint* paint, const SimpleFontData* fontData, const Fon
     paint->setVerticalText(platformData.orientation() == Vertical);
     paint->setTypeface(platformData.typeface());
     paint->setFakeBoldText(platformData.m_syntheticBold);
-    paint->setTextSkewX(platformData.m_syntheticItalic ? -SK_Scalar1 / 4 : 0);
+    paint->setTextSkewX(platformData.m_syntheticOblique ? -SK_Scalar1 / 4 : 0);
     paint->setAutohinted(false); // freetype specific
     paint->setLCDRenderText(shouldSmoothFonts);
     paint->setSubpixelText(true);