Turn FrameView's paintBehavior into a real global

Source/core/frame/FrameView.cpp

Index: Source/core/frame/FrameView.cpp
diff --git a/Source/core/frame/FrameView.cpp b/Source/core/frame/FrameView.cpp
index 20e49b6921fcf04febf8e03c89a8b8cf0ee8f8e9..56b6b489c05d02c3bb032f47123517e5de15d76f 100644
--- a/Source/core/frame/FrameView.cpp
+++ b/Source/core/frame/FrameView.cpp
@@ -211,7 +211,6 @@ void FrameView::reset()
     m_isTrackingPaintInvalidations = false;
     m_trackedPaintInvalidationRects.clear();
     m_lastPaintTime = 0;
-    m_paintBehavior = PaintBehaviorNormal;
     m_isPainting = false;
     m_visuallyNonEmptyCharacterCount = 0;
     m_visuallyNonEmptyPixelCount = 0;
@@ -2456,16 +2455,6 @@ void FrameView::setWasScrolledByUser(bool wasScrolledByUser)
     m_wasScrolledByUser = wasScrolledByUser;
 }
 
-void FrameView::setPaintBehavior(PaintBehavior behavior)
-{
-    m_paintBehavior = behavior;
-}
-
-PaintBehavior FrameView::paintBehavior() const
-{
-    return m_paintBehavior;
-}
-
 bool FrameView::isPainting() const
 {
     return m_isPainting;