Index: Source/core/css/MediaQueryMatcher.cpp |
diff --git a/Source/core/css/MediaQueryMatcher.cpp b/Source/core/css/MediaQueryMatcher.cpp |
index 61fc729cdc7b9bf49fe15a6ecd2d53cd722f6206..55586ebd92c32a9263c0c9f1bc7d3414f42a3657 100644 |
--- a/Source/core/css/MediaQueryMatcher.cpp |
+++ b/Source/core/css/MediaQueryMatcher.cpp |
@@ -84,8 +84,8 @@ PassOwnPtr<MediaQueryEvaluator> MediaQueryMatcher::prepareEvaluator() const |
return nullptr; |
StyleResolver* styleResolver = m_document->styleResolver(); |
- if (!styleResolver) |
- return nullptr; |
+ ASSERT(styleResolver); |
+ appendPendingStyleSheetsIfNeeded(styleResolver); |
RefPtr<RenderStyle> rootStyle = styleResolver->styleForElement(documentElement, 0 /*defaultParent*/, DisallowStyleSharing, MatchOnlyUserAgentRules); |