Remove assorted unnecessary includes in core/layout/

third_party/WebKit/Source/core/layout/LayoutObjectChildList.cpp

 /*
  * Copyright (C) 2009, 2010 Apple Inc. All rights reserved.
  * Copyright (C) Research In Motion Limited 2010. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 12 matching lines @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "core/layout/LayoutObjectChildList.h"
 
 #include "core/dom/AXObjectCache.h"
 #include "core/layout/LayoutCounter.h"
 #include "core/layout/LayoutObject.h"
 #include "core/layout/LayoutView.h"
-#include "core/paint/PaintLayer.h"
-#include "core/style/ComputedStyle.h"
 
 namespace blink {
 
 void LayoutObjectChildList::destroyLeftoverChildren()
 {
     while (firstChild()) {
         // List markers are owned by their enclosing list and so don't get destroyed by this container.
         if (firstChild()->isListMarker()) {
             firstChild()->remove();
             continue;
@@ skipping 140 matching lines @@
         return;
     if (oldChild.isBody()) {
         oldChild.view()->setShouldDoFullPaintInvalidation();
         return;
     }
     oldChild.setPaintingLayerNeedsRepaint();
     oldChild.invalidatePaintOfPreviousPaintInvalidationRect(oldChild.containerForPaintInvalidation(), PaintInvalidationLayoutObjectRemoval);
 }
 
 } // namespace blink