Use synthetic bold/italic terminology consistently

Source/platform/fonts/win/FontPlatformDataWin.h

Index: Source/platform/fonts/win/FontPlatformDataWin.h
diff --git a/Source/platform/fonts/win/FontPlatformDataWin.h b/Source/platform/fonts/win/FontPlatformDataWin.h
index 7122877ccc31efda9c77fb89e95d7f73154b62d6..07560452c80f3dccc05edf6e70d6378f83246043 100644
--- a/Source/platform/fonts/win/FontPlatformDataWin.h
+++ b/Source/platform/fonts/win/FontPlatformDataWin.h
@@ -76,7 +76,7 @@ public:
     FontPlatformData(float size, bool bold, bool oblique);
     FontPlatformData(const FontPlatformData&);
     FontPlatformData(const FontPlatformData&, float textSize);
-    FontPlatformData(PassRefPtr<SkTypeface>, const char* name, float textSize, bool fakeBold, bool fakeItalic, FontOrientation = Horizontal, bool useSubpixelPositioning = defaultUseSubpixelPositioning());
+    FontPlatformData(PassRefPtr<SkTypeface>, const char* name, float textSize, bool syntheticBold, bool syntheticItalic, FontOrientation = Horizontal, bool useSubpixelPositioning = defaultUseSubpixelPositioning());
 
     void setupPaint(SkPaint*, GraphicsContext* = 0) const;
 
@@ -169,8 +169,8 @@ private:
 #endif // !USE(HARFBUZZ)
     float m_textSize; // Point size of the font in pixels.
     FontOrientation m_orientation;
-    bool m_fakeBold;
-    bool m_fakeItalic;
+    bool m_syntheticBold;
+    bool m_syntheticItalic;
 
     RefPtr<SkTypeface> m_typeface;