| Index: third_party/WebKit/Source/core/layout/svg/LayoutSVGResourceMasker.cpp
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| diff --git a/third_party/WebKit/Source/core/layout/svg/LayoutSVGResourceMasker.cpp b/third_party/WebKit/Source/core/layout/svg/LayoutSVGResourceMasker.cpp
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| index 7d1df3750e1e4dd19e07013cde2602fd1ea3cc96..d8e4fcece05b52a9546b9471630b5f73cf6e59d1 100644
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| --- a/third_party/WebKit/Source/core/layout/svg/LayoutSVGResourceMasker.cpp
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| +++ b/third_party/WebKit/Source/core/layout/svg/LayoutSVGResourceMasker.cpp
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| @@ -45,7 +45,7 @@ void LayoutSVGResourceMasker::removeAllClientsFromCache(
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|  
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|  void LayoutSVGResourceMasker::removeClientFromCache(LayoutObject* client,
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|                                                      bool markForInvalidation) {
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| -  ASSERT(client);
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| +  DCHECK(client);
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|    markClientForInvalidation(client, markForInvalidation
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|                                          ? BoundariesInvalidation
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|                                          : ParentOnlyInvalidation);
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| @@ -112,7 +112,7 @@ void LayoutSVGResourceMasker::calculateMaskContentVisualRect() {
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|  FloatRect LayoutSVGResourceMasker::resourceBoundingBox(
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|      const LayoutObject* object) {
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|    SVGMaskElement* maskElement = toSVGMaskElement(element());
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| -  ASSERT(maskElement);
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| +  DCHECK(maskElement);
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|  
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|    FloatRect objectBoundingBox = object->objectBoundingBox();
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|    FloatRect maskBoundaries = SVGLengthContext::resolveRectangle<SVGMaskElement>(
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| 
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