Fix print context to work under slimming paint.

Source/core/page/PrintContext.h

Index: Source/core/page/PrintContext.h
diff --git a/Source/core/page/PrintContext.h b/Source/core/page/PrintContext.h
index 46650868bbe3b6bb3c1dc6a0fd377c8f3c4d2345..582ab7b95863106ad9fa64d68df4cedacb88d1e8 100644
--- a/Source/core/page/PrintContext.h
+++ b/Source/core/page/PrintContext.h
@@ -28,13 +28,14 @@
 #include "wtf/Vector.h"
 #include "wtf/text/WTFString.h"
 
+class SkCanvas;
+
 namespace blink {
 
 class Element;
 class LocalFrame;
 class FloatRect;
 class FloatSize;
-class GraphicsContext;
 class IntRect;
 class Node;
 
@@ -77,7 +78,7 @@ public:
     DECLARE_VIRTUAL_TRACE();
 
 protected:
-    void outputLinkedDestinations(GraphicsContext&, const IntRect& pageRect);
+    void outputLinkedDestinations(SkCanvas*, const IntRect& pageRect);
 
     RawPtrWillBeMember<LocalFrame> m_frame;
     Vector<IntRect> m_pageRects;