third_party/WebKit/Source/core/svg/SVGUseElement.cpp - Issue 2534873004: Avoid unchecked casts in UA shadow DOM.

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Unified Diff: third_party/WebKit/Source/core/svg/SVGUseElement.cpp

Issue 2534873004: Avoid unchecked casts in UA shadow DOM. (Closed)

Patch Set: Created 4 years, 1 month ago

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Index: third_party/WebKit/Source/core/svg/SVGUseElement.cpp

diff --git a/third_party/WebKit/Source/core/svg/SVGUseElement.cpp b/third_party/WebKit/Source/core/svg/SVGUseElement.cpp

index 0091e379c49c51509fc433fdddcdec468b55db6e..17d3f5df7245cfc824dd22ba984b7d339bcf7d87 100644

--- a/third_party/WebKit/Source/core/svg/SVGUseElement.cpp

+++ b/third_party/WebKit/Source/core/svg/SVGUseElement.cpp

@@ -451,7 +451,8 @@ void SVGUseElement::buildShadowAndInstanceTree(SVGElement& target) {

// If the instance root was a <use>, it could have been replaced now, so

// reset |m_targetElementInstance|.

- m_targetElementInstance = toSVGElement(shadowTreeRootElement->firstChild());

+ m_targetElementInstance =

+ toSVGElementOrDie(shadowTreeRootElement->firstChild());

ASSERT(m_targetElementInstance->parentNode() == shadowTreeRootElement);

// Update relative length information.