Move dispatchDidFirstVisuallyNonEmptyLayout into WebViewImpl.

Source/core/frame/FrameView.h

 /*
    Copyright (C) 1997 Martin Jones (mjones@kde.org)
              (C) 1998 Waldo Bastian (bastian@kde.org)
              (C) 1998, 1999 Torben Weis (weis@kde.org)
              (C) 1999 Lars Knoll (knoll@kde.org)
              (C) 1999 Antti Koivisto (koivisto@kde.org)
    Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
 
    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
@@ skipping 215 matching lines @@
     void updateAllLifecyclePhases();
 
     // Computes the style, layout and compositing lifecycle stages if needed. After calling this method, all frames wil lbe in a lifecycle
     // state >= CompositingClean, and scrolling has been updated.
     void updateLifecycleToCompositingCleanPlusScrolling();
 
     bool invalidateViewportConstrainedObjects();
 
     void incrementVisuallyNonEmptyCharacterCount(unsigned);
     void incrementVisuallyNonEmptyPixelCount(const IntSize&);
+    bool isVisuallyNonEmpty() const { return m_isVisuallyNonEmpty; }
     void setIsVisuallyNonEmpty() { m_isVisuallyNonEmpty = true; }
     void enableAutoSizeMode(const IntSize& minSize, const IntSize& maxSize);
     void disableAutoSizeMode();
 
     void forceLayoutForPagination(const FloatSize& pageSize, const FloatSize& originalPageSize, float maximumShrinkFactor);
 
     enum UrlFragmentBehavior {
         UrlFragmentScroll,
         UrlFragmentDontScroll
     };
@@ skipping 524 matching lines @@
 
     // In frame coordinates.
     Vector<IntRect> m_trackedPaintInvalidationRects;
 
     RefPtrWillBeMember<Node> m_nodeToDraw;
     bool m_isPainting;
 
     unsigned m_visuallyNonEmptyCharacterCount;
     unsigned m_visuallyNonEmptyPixelCount;
     bool m_isVisuallyNonEmpty;
-    bool m_firstVisuallyNonEmptyLayoutCallbackPending;
 
     RefPtrWillBeMember<Node> m_scrollAnchor;
 
     // layoutObject to hold our custom scroll corner.
     LayoutScrollbarPart* m_scrollCorner;
 
     OwnPtrWillBeMember<ScrollableAreaSet> m_scrollableAreas;
     OwnPtrWillBeMember<ScrollableAreaSet> m_animatingScrollableAreas;
     OwnPtr<ResizerAreaSet> m_resizerAreas;
     OwnPtr<ViewportConstrainedObjectSet> m_viewportConstrainedObjects;
@@ skipping 73 matching lines @@
     static const unsigned visualPixelThreshold = 32 * 32;
     if (m_visuallyNonEmptyPixelCount > visualPixelThreshold)
         setIsVisuallyNonEmpty();
 }
 
 DEFINE_TYPE_CASTS(FrameView, Widget, widget, widget->isFrameView(), widget.isFrameView());
 
 } // namespace blink
 
 #endif // FrameView_h