| Index: third_party/WebKit/Source/core/paint/PaintPropertyTreeBuilder.cpp | 
| diff --git a/third_party/WebKit/Source/core/paint/PaintPropertyTreeBuilder.cpp b/third_party/WebKit/Source/core/paint/PaintPropertyTreeBuilder.cpp | 
| index 62c79947d539e11a3f3b27ee4a95158bd4735da7..711e4a2a7f85ae9bb65b37a1313b5fc4fff33dea 100644 | 
| --- a/third_party/WebKit/Source/core/paint/PaintPropertyTreeBuilder.cpp | 
| +++ b/third_party/WebKit/Source/core/paint/PaintPropertyTreeBuilder.cpp | 
| @@ -17,6 +17,7 @@ | 
| #include "core/layout/svg/SVGLayoutSupport.h" | 
| #include "core/layout/svg/SVGResources.h" | 
| #include "core/layout/svg/SVGResourcesCache.h" | 
| +#include "core/paint/FindPaintOffsetAndVisualRectNeedingUpdate.h" | 
| #include "core/paint/FindPropertiesNeedingUpdate.h" | 
| #include "core/paint/ObjectPaintProperties.h" | 
| #include "core/paint/PaintLayer.h" | 
| @@ -1043,6 +1044,10 @@ void PaintPropertyTreeBuilder::updatePaintOffset( | 
| void PaintPropertyTreeBuilder::updateForObjectLocationAndSize( | 
| const LayoutObject& object, | 
| PaintPropertyTreeBuilderContext& context) { | 
| +#if DCHECK_IS_ON() | 
| +  FindPaintOffsetNeedingUpdateScope checkScope(object, context); | 
| +#endif | 
| + | 
| if (object.isBoxModelObject()) { | 
| updatePaintOffset(toLayoutBoxModelObject(object), context); | 
| updatePaintOffsetTranslation(toLayoutBoxModelObject(object), context); | 
|  |