Turn FrameView's paintBehavior into a real global

Source/core/frame/FrameView.h

Index: Source/core/frame/FrameView.h
diff --git a/Source/core/frame/FrameView.h b/Source/core/frame/FrameView.h
index 894ecf7fb5a0fd74c7cd7d26f6bc8900574c4c03..d689c620bd0bdb406d3586c2b1e72889c74c99d5 100644
--- a/Source/core/frame/FrameView.h
+++ b/Source/core/frame/FrameView.h
@@ -29,7 +29,6 @@
 #include "core/frame/FrameViewAutoSizeInfo.h"
 #include "core/frame/RootFrameViewport.h"
 #include "core/layout/LayoutAnalyzer.h"
-#include "core/paint/PaintPhase.h"
 #include "platform/RuntimeEnabledFeatures.h"
 #include "platform/Widget.h"
 #include "platform/geometry/IntRect.h"
@@ -217,8 +216,6 @@ public:
 
     void addPartToUpdate(LayoutEmbeddedObject&);
 
-    void setPaintBehavior(PaintBehavior);
-    PaintBehavior paintBehavior() const;
     void setIsPainting(bool val) { m_isPainting = val; }
     bool isPainting() const;
     void setLastPaintTime(double val) { m_lastPaintTime = val; }
@@ -781,7 +778,6 @@ private:
     Vector<IntRect> m_trackedPaintInvalidationRects;
 
     RefPtrWillBeMember<Node> m_nodeToDraw;
-    PaintBehavior m_paintBehavior;
     bool m_isPainting;
 
     unsigned m_visuallyNonEmptyCharacterCount;