Reland: Move glyph lookup to hb-ot-font and remove glyph cache in HarfBuzzFace

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

Index: third_party/WebKit/Source/platform/fonts/shaping/HarfBuzzShaper.cpp
diff --git a/third_party/WebKit/Source/platform/fonts/shaping/HarfBuzzShaper.cpp b/third_party/WebKit/Source/platform/fonts/shaping/HarfBuzzShaper.cpp
index 204da72b9e09f10c8fb57a59d73c9ca93c2dba51..36b7bc3032cf334ca3471052d1f787198f9defe6 100644
--- a/third_party/WebKit/Source/platform/fonts/shaping/HarfBuzzShaper.cpp
+++ b/third_party/WebKit/Source/platform/fonts/shaping/HarfBuzzShaper.cpp
@@ -313,8 +313,8 @@ inline bool HarfBuzzShaper::shapeRange(hb_buffer_t* harfBuzzBuffer,
     hb_buffer_set_direction(harfBuzzBuffer, TextDirectionToHBDirection(m_textRun.direction(),
         m_font->getFontDescription().orientation(), currentFont));
 
-    HarfBuzzScopedPtr<hb_font_t> harfBuzzFont(face->createFont(currentFontRangeSet), hb_font_destroy);
-    hb_shape(harfBuzzFont.get(), harfBuzzBuffer, m_features.isEmpty() ? 0 : m_features.data(), m_features.size());
+    hb_font_t* hbFont = face->getScaledFont(currentFontRangeSet);
+    hb_shape(hbFont, harfBuzzBuffer, m_features.isEmpty() ? 0 : m_features.data(), m_features.size());
 
     return true;
 }