Remove unnecessary inclusions of LayoutObject-derived headers in core/editing/

third_party/WebKit/Source/core/editing/VisiblePosition.cpp

 /*
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
  * Portions Copyright (c) 2011 Motorola Mobility, Inc.  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 17 matching lines @@
 
 #include "bindings/core/v8/ExceptionState.h"
 #include "core/HTMLNames.h"
 #include "core/dom/Document.h"
 #include "core/dom/Range.h"
 #include "core/dom/Text.h"
 #include "core/editing/EditingUtilities.h"
 #include "core/editing/TextAffinity.h"
 #include "core/editing/VisibleUnits.h"
 #include "core/html/HTMLElement.h"
-#include "core/layout/LayoutBlock.h"
-#include "core/layout/line/RootInlineBox.h"
 #include "platform/geometry/FloatQuad.h"
 #include "wtf/text/CString.h"
 #include <ostream> // NOLINT
 
 namespace blink {
 
 using namespace HTMLNames;
 
 template <typename Strategy>
 VisiblePositionTemplate<Strategy>::VisiblePositionTemplate()
@@ skipping 122 matching lines @@
     }
     DVLOG(0) << "Cannot showTree for (nil) VisiblePosition.";
 }
 
 void showTree(const blink::VisiblePosition& vpos)
 {
     vpos.showTreeForThis();
 }
 
 #endif