Minor sky/engine updates for Mac target

sky/engine/platform/fonts/harfbuzz/FontHarfBuzz.cpp

 /*
  * Copyright (c) 2007, 2008, 2010 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 106 matching lines @@
     }
 }
 
 void Font::drawGlyphs(GraphicsContext* gc, const SimpleFontData* font,
     const GlyphBuffer& glyphBuffer, unsigned from, unsigned numGlyphs,
     const FloatPoint& point, const FloatRect& textRect) const
 {
     SkScalar x = SkFloatToScalar(point.x());
     SkScalar y = SkFloatToScalar(point.y());
 
+// ENABLE_OPENTYPE_VERTICAL is not enabled on MACOSX
+#if !OS(MACOSX)
     const OpenTypeVerticalData* verticalData = font->verticalData();
     if (font->platformData().orientation() == Vertical && verticalData) {
         SkAutoSTMalloc<32, SkPoint> storage(numGlyphs);
         SkPoint* pos = storage.get();
 
         AffineTransform savedMatrix = gc->getCTM();
         gc->concatCTM(AffineTransform(0, -1, 1, 0, point.x(), point.y()));
         gc->concatCTM(AffineTransform(1, 0, 0, 1, -point.x(), -point.y()));
 
         const unsigned kMaxBufferLength = 256;
@@ skipping 21 matching lines @@
                     y + -SkIntToScalar(-lroundf(currentWidth - translations[i].y())));
                 currentWidth += glyphBuffer.advanceAt(from + glyphIndex);
             }
             horizontalOffset += currentWidth;
             paintGlyphs(gc, font, glyphs, chunkLength, pos, textRect);
         }
 
         gc->setCTM(savedMatrix);
         return;
     }
+#endif
 
     if (!glyphBuffer.hasOffsets()) {
         SkAutoSTMalloc<64, SkScalar> storage(numGlyphs);
         SkScalar* xpos = storage.get();
         const float* adv = glyphBuffer.advances(from);
         for (unsigned i = 0; i < numGlyphs; i++) {
             xpos[i] = x;
             x += SkFloatToScalar(adv[i]);
         }
         const Glyph* glyphs = glyphBuffer.glyphs(from);
@@ skipping 141 matching lines @@
     SkScalar advance = SkFloatToScalar(initialAdvance);
 
     bool success = glyphBuffer.hasOffsets() ?
         buildTextBlobInternal<true>(glyphBuffer, advance, builder) :
         buildTextBlobInternal<false>(glyphBuffer, advance, builder);
     return success ? adoptRef(builder.build()) : nullptr;
 }
 
 
 } // namespace blink