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-rw-r--r--WebCore/css/StyleMedia.cpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/WebCore/css/StyleMedia.cpp b/WebCore/css/StyleMedia.cpp
index 6cb662f..8971d35 100644
--- a/WebCore/css/StyleMedia.cpp
+++ b/WebCore/css/StyleMedia.cpp
@@ -56,7 +56,8 @@ bool StyleMedia::matchMedium(const String& query) const
Document* document = m_frame->document();
ASSERT(document);
Element* documentElement = document->documentElement();
- ASSERT(documentElement);
+ if (!documentElement)
+ return false;
CSSStyleSelector* styleSelector = document->styleSelector();
if (!styleSelector)