Introduce typeface cache in blink::FontCache

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 402642e974c814333b0c46c8c418127c5ec65c60..6e54f78cd7ac0987639933a7c055526caa4da8bf 100644
--- a/third_party/WebKit/Source/platform/fonts/shaping/HarfBuzzFace.cpp
+++ b/third_party/WebKit/Source/platform/fonts/shaping/HarfBuzzFace.cpp
@@ -350,15 +350,16 @@ hb_face_t* HarfBuzzFace::createFace()
     return face;
 }
 
-hb_font_t* HarfBuzzFace::createFont(PassRefPtr<UnicodeRangeSet> rangeSet) const
+hb_font_t* HarfBuzzFace::createFont(float size, const FontRenderStyle& style, PassRefPtr<UnicodeRangeSet> rangeSet) const
 {
     HarfBuzzFontData* hbFontData = new HarfBuzzFontData(m_glyphCacheForFaceCacheEntry, m_face, rangeSet);
+    style.apply(&hbFontData->m_paint);
+    hbFontData->m_paint.setTextSize(SkFloatToScalar(size));
     m_platformData->setupPaint(&hbFontData->m_paint);
     hbFontData->m_simpleFontData = FontCache::fontCache()->fontDataFromFontPlatformData(m_platformData);
     ASSERT(hbFontData->m_simpleFontData);
     hb_font_t* font = hb_font_create(m_face);
     hb_font_set_funcs(font, harfBuzzSkiaGetFontFuncs(), hbFontData, destroyHarfBuzzFontData);
-    float size = m_platformData->size();
     int scale = SkiaScalarToHarfBuzzPosition(size);
     hb_font_set_scale(font, scale, scale);
     hb_font_make_immutable(font);