StyleSheetContents::clearResolvers should clear ScopedStyleResolvers

Source/core/css/StyleSheetContents.cpp

Index: Source/core/css/StyleSheetContents.cpp
diff --git a/Source/core/css/StyleSheetContents.cpp b/Source/core/css/StyleSheetContents.cpp
index ef527fcb3dc3f82477c3ff4cd70c8858046eb7c0..cc84dc192976f0de2b5c7b68ed05a265a4689911 100644
--- a/Source/core/css/StyleSheetContents.cpp
+++ b/Source/core/css/StyleSheetContents.cpp
@@ -618,8 +618,10 @@ RuleSet& StyleSheetContents::ensureRuleSet(const MediaQueryEvaluator& medium, Ad
 static void clearResolvers(WillBeHeapHashSet<RawPtrWillBeWeakMember<CSSStyleSheet> >& clients)
 {
     for (WillBeHeapHashSet<RawPtrWillBeWeakMember<CSSStyleSheet> >::iterator it = clients.begin(); it != clients.end(); ++it) {
-        if (Document* document = (*it)->ownerDocument())
+        if (Document* document = (*it)->ownerDocument()) {
             document->styleEngine()->clearResolver();
+            document->clearScopedStyleResolver();

[kochi, 2014/07/24 12:46:40]

Probably eventually we should clear the ScopedStyleResolver for document in
StyleEngine.

Looks good for now.

+        }
     }
 }