Use AnalyzedStyleUpdate for non-blocking sheets.

third_party/WebKit/Source/core/dom/StyleEngine.cpp

Index: third_party/WebKit/Source/core/dom/StyleEngine.cpp
diff --git a/third_party/WebKit/Source/core/dom/StyleEngine.cpp b/third_party/WebKit/Source/core/dom/StyleEngine.cpp
index 8b7bd5459c5c6130a21fa736a63be342d6a2ff45..4d3e270470b7334fad4470da48edfb75d11edad7 100644
--- a/third_party/WebKit/Source/core/dom/StyleEngine.cpp
+++ b/third_party/WebKit/Source/core/dom/StyleEngine.cpp
@@ -230,7 +230,7 @@ void StyleEngine::modifiedStyleSheetCandidateNode(Node* node)
     TreeScope& treeScope = isStyleElement(*node) ? node->treeScope() : *m_document;
     DCHECK(isStyleElement(*node) || treeScope == m_document);
     markTreeScopeDirty(treeScope);
-    resolverChanged(FullStyleUpdate);
+    resolverChanged(AnalyzedStyleUpdate);
 }
 
 void StyleEngine::watchedSelectorsChanged()