Initial OpenType Font Variations Support

third_party/WebKit/Source/platform/fonts/shaping/HarfBuzzFace.cpp

Index: third_party/WebKit/Source/platform/fonts/shaping/HarfBuzzFace.cpp
diff --git a/third_party/WebKit/Source/platform/fonts/shaping/HarfBuzzFace.cpp b/third_party/WebKit/Source/platform/fonts/shaping/HarfBuzzFace.cpp
index 1e5daf32a167daaec3c90cf18686656a852d7607..a364f530a2c874469c940f6c9987067c2e6c9016 100644
--- a/third_party/WebKit/Source/platform/fonts/shaping/HarfBuzzFace.cpp
+++ b/third_party/WebKit/Source/platform/fonts/shaping/HarfBuzzFace.cpp
@@ -386,6 +386,9 @@ hb_font_t* HarfBuzzFace::getScaledFont(
   m_harfBuzzFontData->m_paint.setTextEncoding(SkPaint::kGlyphID_TextEncoding);
   m_harfBuzzFontData->m_rangeSet = rangeSet;
   m_harfBuzzFontData->updateSimpleFontData(m_platformData);
+
+  // TODO crbug.com/674879 - Connect variation axis parameters to future
+  // HarfBuzz API here.
   ASSERT(m_harfBuzzFontData->m_simpleFontData);
   int scale = SkiaScalarToHarfBuzzPosition(m_platformData->size());
   hb_font_set_scale(m_unscaledFont, scale, scale);