Remove caching of contents paint properties

third_party/WebKit/Source/core/layout/LayoutObject.h

 /*
  * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
  *           (C) 2000 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  *           (C) 2004 Allan Sandfeld Jensen (kde@carewolf.com)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2012 Apple Inc.
  *               All rights reserved.
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 395 matching lines @@
   // The complete set of property nodes that should be used as a starting point
   // to paint this LayoutObject. See: m_localBorderBoxProperties comment.
   const PropertyTreeState* LocalBorderBoxProperties() const {
     DCHECK(RuntimeEnabledFeatures::slimmingPaintInvalidationEnabled());
     if (rare_paint_data_)
       return rare_paint_data_->LocalBorderBoxProperties();
     return nullptr;
   }
 
   // The complete set of property nodes that should be used as a starting point
-  // to paint contents of this LayoutObject. See: m_contentsProperties comment.
-  const PropertyTreeState* ContentsProperties() const {
-    DCHECK(RuntimeEnabledFeatures::slimmingPaintInvalidationEnabled());
-    return rare_paint_data_ ? rare_paint_data_->ContentsProperties() : nullptr;
-  }
+  // to paint contents of this LayoutObject.
+  PropertyTreeState ContentsProperties() const;
 
  private:
   RarePaintData& EnsureRarePaintData();
   RarePaintData* GetRarePaintData() { return rare_paint_data_.get(); }
 
   //////////////////////////////////////////
   // Helper functions. Dangerous to use!
   void SetPreviousSibling(LayoutObject* previous) { previous_ = previous; }
   void SetNextSibling(LayoutObject* next) { next_ = next; }
   void SetParent(LayoutObject* parent) {
@@ skipping 2395 matching lines @@
 CORE_EXPORT void showLineTree(const blink::LayoutObject*);
 CORE_EXPORT void showLayoutTree(const blink::LayoutObject* object1);
 // We don't make object2 an optional parameter so that showLayoutTree
 // can be called from gdb easily.
 CORE_EXPORT void showLayoutTree(const blink::LayoutObject* object1,
                                 const blink::LayoutObject* object2);
 
 #endif
 
 #endif  // LayoutObject_h