Do not commit: Object paint property statistics

third_party/WebKit/Source/core/paint/ObjectPaintProperties.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 ObjectPaintProperties_h
 #define ObjectPaintProperties_h
 
 #include "core/CoreExport.h"
 #include "platform/geometry/LayoutPoint.h"
 #include "platform/graphics/paint/ClipPaintPropertyNode.h"
@@ skipping 133 matching lines @@
   // inherit from the containing block chain instead of the painting parent and
   // cannot be derived in O(1) during the paint walk. For example:
   // <div style='opacity: 0.3;'/> would have a propertyTreeState.effect()
   // with opacity of 0.3 which was created by the div itself. Note that
   // propertyTreeState.transform() would not be null but would instead point to
   // the transform space setup by div's ancestors.
   const PropertyTreeState* localBorderBoxProperties() const {
     return m_localBorderBoxProperties.get();
   }
 
+  bool hasContentsProperties() const {
+    return !!m_contentsProperties;
+  }
+
   // This is the complete set of property nodes that can be used to paint the
   // contents of this object. It is similar to localBorderBoxProperties but
   // includes properties (e.g., overflow clip, scroll translation) that apply to
   // contents. This is suitable for paint invalidation.
   const PropertyTreeState* contentsProperties() const {
     if (!m_contentsProperties) {
       if (!m_localBorderBoxProperties)
         return nullptr;
       updateContentsProperties();
     } else {
@@ skipping 212 matching lines @@
   RefPtr<TransformPaintPropertyNode> m_scrollTranslation;
   RefPtr<TransformPaintPropertyNode> m_scrollbarPaintOffset;
 
   std::unique_ptr<PropertyTreeState> m_localBorderBoxProperties;
   mutable std::unique_ptr<PropertyTreeState> m_contentsProperties;
 };
 
 }  // namespace blink
 
 #endif  // ObjectPaintProperties_h