Index: Source/core/html/HTMLDetailsElement.cpp |
diff --git a/Source/core/html/HTMLDetailsElement.cpp b/Source/core/html/HTMLDetailsElement.cpp |
index 32a1fe8f042c498c74be28b64335c8c1cca64b51..e88582f38346562b1a90eb2a2c08632017d8e353 100644 |
--- a/Source/core/html/HTMLDetailsElement.cpp |
+++ b/Source/core/html/HTMLDetailsElement.cpp |
@@ -83,7 +83,7 @@ Element* HTMLDetailsElement::findMainSummary() const |
return summary; |
HTMLContentElement* content = toHTMLContentElement(userAgentShadowRoot()->firstChild()); |
- ASSERT(content->firstChild() && content->firstChild()->hasTagName(summaryTag)); |
+ ASSERT(content->firstChild() && isHTMLSummaryElement(*content->firstChild())); |
return toElement(content->firstChild()); |
} |