Moving fontSelector from StyleResolver to StyleEngine.

Source/core/html/canvas/CanvasRenderingContext2D.cpp

Index: Source/core/html/canvas/CanvasRenderingContext2D.cpp
diff --git a/Source/core/html/canvas/CanvasRenderingContext2D.cpp b/Source/core/html/canvas/CanvasRenderingContext2D.cpp
index 5e926d794a99b9a7203fbff58192e59716b48ce9..7a68dc5aa882309ae4b8fe53985be0766bdf73df 100644
--- a/Source/core/html/canvas/CanvasRenderingContext2D.cpp
+++ b/Source/core/html/canvas/CanvasRenderingContext2D.cpp
@@ -2098,9 +2098,9 @@ void CanvasRenderingContext2D::setFont(const String& newFont)
     if (state().m_realizedFont)
         state().m_font.fontSelector()->unregisterForInvalidationCallbacks(&modifiableState());
     modifiableState().m_font = newStyle->font();
-    modifiableState().m_font.update(styleResolver->fontSelector());
+    modifiableState().m_font.update(canvas()->document().fontSelector());
     modifiableState().m_realizedFont = true;
-    styleResolver->fontSelector()->registerForInvalidationCallbacks(&modifiableState());
+    canvas()->document().fontSelector()->registerForInvalidationCallbacks(&modifiableState());
 }
 
 String CanvasRenderingContext2D::textAlign() const