Replace ENABLE_OPENTYPE_VERTICAL implementation with HarfBuzz

Source/platform/fonts/SimpleFontData.h

Index: Source/platform/fonts/SimpleFontData.h
diff --git a/Source/platform/fonts/SimpleFontData.h b/Source/platform/fonts/SimpleFontData.h
index e36b6c954af6504fc9b3085a75da282319a8ce56..1452f919a5b960064324bab57ec9ae77c1d36513 100644
--- a/Source/platform/fonts/SimpleFontData.h
+++ b/Source/platform/fonts/SimpleFontData.h
@@ -69,9 +69,7 @@ public:
     static const SimpleFontData* systemFallback() { return reinterpret_cast<const SimpleFontData*>(-1); }
 
     const FontPlatformData& platformData() const { return m_platformData; }
-#if ENABLE(OPENTYPE_VERTICAL)
     const OpenTypeVerticalData* verticalData() const { return m_verticalData.get(); }
-#endif
 
     PassRefPtr<SimpleFontData> smallCapsFontData(const FontDescription&) const;
     PassRefPtr<SimpleFontData> emphasisMarkFontData(const FontDescription&) const;
@@ -192,9 +190,7 @@ private:
 
     bool m_isTextOrientationFallback;
     bool m_isBrokenIdeographFallback;
-#if ENABLE(OPENTYPE_VERTICAL)
     RefPtr<OpenTypeVerticalData> m_verticalData;
-#endif
     bool m_hasVerticalGlyphs;
 
     Glyph m_spaceGlyph;
@@ -269,14 +265,12 @@ ALWAYS_INLINE float SimpleFontData::widthForGlyph(Glyph glyph) const
 
     if (isSVGFont())
         width = m_customFontData->widthForSVGGlyph(glyph, m_platformData.size());
-#if ENABLE(OPENTYPE_VERTICAL)
     else if (m_verticalData)
 #if OS(MACOSX)
         width = m_verticalData->advanceHeight(this, glyph) + m_syntheticBoldOffset;
 #else
         width = m_verticalData->advanceHeight(this, glyph);
 #endif
-#endif
     else
         width = platformWidthForGlyph(glyph);