| Index: Source/core/rendering/svg/RenderSVGContainer.cpp | 
| diff --git a/Source/core/rendering/svg/RenderSVGContainer.cpp b/Source/core/rendering/svg/RenderSVGContainer.cpp | 
| index e95f6c48635c95ca8a3d84196ab5a7920d974340..2ae9c516bd36543fa4f6cd9efc6150effda5d505 100644 | 
| --- a/Source/core/rendering/svg/RenderSVGContainer.cpp | 
| +++ b/Source/core/rendering/svg/RenderSVGContainer.cpp | 
| @@ -57,6 +57,8 @@ void RenderSVGContainer::layout() | 
|  | 
| LayoutRepainter repainter(*this, SVGRenderSupport::checkForSVGRepaintDuringLayout(this) || selfWillPaint()); | 
|  | 
| +    setMayNeedInvalidation(true); | 
| + | 
| // Allow RenderSVGViewportContainer to update its viewport. | 
| calcViewport(); | 
|  | 
|  |