blink: Cleanup class forward declarations

third_party/WebKit/Source/platform/graphics/paint/CullRect.h

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CullRect_h
 #define CullRect_h
 
 #include "platform/geometry/IntRect.h"
 #include "platform/transforms/AffineTransform.h"
 #include "wtf/Allocator.h"
 #include "wtf/HashMap.h"
 #include "wtf/ListHashSet.h"
 
 #include <limits>
 
 namespace blink {
 
 class FloatRect;
-class LayoutBoxModelObject;
-class LayoutInline;
-class LayoutObject;
 class LayoutRect;
 class LayoutUnit;
-class PaintInvalidationState;
 
 class PLATFORM_EXPORT CullRect {
   DISALLOW_NEW();
 
  public:
   explicit CullRect(const IntRect& rect) : m_rect(rect) {}
   CullRect(const CullRect&, const IntPoint& offset);
   CullRect(const CullRect&, const IntSize& offset);
 
   bool intersectsCullRect(const AffineTransform&,
@@ skipping 15 matching lines @@
   friend class SVGRootInlineBoxPainter;
   friend class SVGShapePainter;
   friend class TableSectionPainter;
   friend class ThemePainterMac;
   friend class WebPluginContainerImpl;
 };
 
 }  // namespace blink
 
 #endif  // CullRect_h