Turn FrameView's paintBehavior into a real global

Source/core/frame/FrameView.cpp

 /*
  * Copyright (C) 1998, 1999 Torben Weis <weis@kde.org>
  *                     1999 Lars Knoll <knoll@kde.org>
  *                     1999 Antti Koivisto <koivisto@kde.org>
  *                     2000 Dirk Mueller <mueller@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
  *           (C) 2006 Graham Dennis (graham.dennis@gmail.com)
  *           (C) 2006 Alexey Proskuryakov (ap@nypop.com)
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
@@ skipping 193 matching lines @@
     m_updateWidgetsTimer.stop();
     m_firstLayout = true;
     m_firstLayoutCallbackPending = false;
     m_wasScrolledByUser = false;
     m_safeToPropagateScrollToParent = true;
     m_lastViewportSize = IntSize();
     m_lastZoomFactor = 1.0f;
     m_isTrackingPaintInvalidations = false;
     m_trackedPaintInvalidationRects.clear();
     m_lastPaintTime = 0;
-    m_paintBehavior = PaintBehaviorNormal;
     m_isPainting = false;
     m_visuallyNonEmptyCharacterCount = 0;
     m_visuallyNonEmptyPixelCount = 0;
     m_isVisuallyNonEmpty = false;
     m_firstVisuallyNonEmptyLayoutCallbackPending = true;
     m_maintainScrollPositionAnchor = nullptr;
     m_viewportConstrainedObjects.clear();
     m_layoutSubtreeRoots.clear();
 }
 
@@ skipping 2224 matching lines @@
 {
     return m_wasScrolledByUser;
 }
 
 void FrameView::setWasScrolledByUser(bool wasScrolledByUser)
 {
     m_maintainScrollPositionAnchor = nullptr;
     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;
 }
 
 void FrameView::setNodeToDraw(Node* node)
 {
     m_nodeToDraw = node;
 }
 
@@ skipping 1515 matching lines @@
 
     if (!graphicsLayer)
         return;
 
     DeprecatedPaintLayer::mapRectToPaintInvalidationBacking(localFrame->contentLayoutObject(), paintInvalidationContainer, viewRect);
 
     graphicsLayerTimingRequests.add(graphicsLayer, Vector<std::pair<int64_t, WebRect>>()).storedValue->value.append(std::make_pair(m_frame->frameID(), enclosingIntRect(viewRect)));
 }
 
 } // namespace blink