Force compositing inputs to be clean for getBoundingClientRect

third_party/WebKit/Source/core/dom/Element.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Peter Kelly (pmk@post.com)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2003-2011, 2013, 2014 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
@@ skipping 783 matching lines @@
   void classAttributeChanged(const AtomicString& newClassString);
 
   static bool attributeValueIsJavaScriptURL(const Attribute&);
 
   PassRefPtr<ComputedStyle> originalStyleForLayoutObject();
 
   Node* insertAdjacent(const String& where, Node* newChild, ExceptionState&);
 
   virtual void parserDidSetAttributes() {}
 
+  // Helper method which ensures that compositing inputs have been cleaned.
+  // Cleaning the compositing inputs is required when computing the location of
+  // position:sticky elements or their descendants.
+  void ensureCompositingInputsClean();
+
  private:
   void scrollLayoutBoxBy(const ScrollToOptions&);
   void scrollLayoutBoxTo(const ScrollToOptions&);
   void scrollFrameBy(const ScrollToOptions&);
   void scrollFrameTo(const ScrollToOptions&);
 
   bool hasElementFlag(ElementFlags mask) const {
     return hasRareData() && hasElementFlagInternal(mask);
   }
   void setElementFlag(ElementFlags, bool value = true);
@@ skipping 377 matching lines @@
 #define DECLARE_ELEMENT_FACTORY_WITH_TAGNAME(T) \
   static T* create(const QualifiedName&, Document&)
 #define DEFINE_ELEMENT_FACTORY_WITH_TAGNAME(T)                     \
   T* T::create(const QualifiedName& tagName, Document& document) { \
     return new T(tagName, document);                               \
   }
 
 }  // namespace blink
 
 #endif  // Element_h