Moving fontSelector from StyleResolver to StyleEngine.

Source/core/rendering/RenderListBox.cpp

Index: Source/core/rendering/RenderListBox.cpp
diff --git a/Source/core/rendering/RenderListBox.cpp b/Source/core/rendering/RenderListBox.cpp
index e1c459596582dba665ee2b9b3c37e93b946f9a9a..c3b38a27b12a689b6d1cbdda4fdb362292a163f6 100644
--- a/Source/core/rendering/RenderListBox.cpp
+++ b/Source/core/rendering/RenderListBox.cpp
@@ -128,7 +128,7 @@ void RenderListBox::updateFromElement()
                 FontDescription d = itemFont.fontDescription();
                 d.setWeight(d.bolderWeight());
                 itemFont = Font(d, itemFont.letterSpacing(), itemFont.wordSpacing());
-                itemFont.update(document().ensureStyleResolver().fontSelector());
+                itemFont.update(document().styleEngine()->fontSelector());
             }
 
             if (!text.isEmpty()) {
@@ -433,7 +433,7 @@ void RenderListBox::paintItemForeground(PaintInfo& paintInfo, const LayoutPoint&
         FontDescription d = itemFont.fontDescription();
         d.setWeight(d.bolderWeight());
         itemFont = Font(d, itemFont.letterSpacing(), itemFont.wordSpacing());
-        itemFont.update(document().ensureStyleResolver().fontSelector());
+        itemFont.update(document().styleEngine()->fontSelector());
     }
 
     // Draw the item text