CSS: SelectorFilter is non-copyable

third_party/WebKit/Source/core/css/resolver/MatchResult.h

Index: third_party/WebKit/Source/core/css/resolver/MatchResult.h
diff --git a/third_party/WebKit/Source/core/css/resolver/MatchResult.h b/third_party/WebKit/Source/core/css/resolver/MatchResult.h
index dd649255e6b47c8cc99f9695faef8612353b45c2..b955ab6096a59236449f7fa248a85b31aafe7b81 100644
--- a/third_party/WebKit/Source/core/css/resolver/MatchResult.h
+++ b/third_party/WebKit/Source/core/css/resolver/MatchResult.h
@@ -85,8 +85,11 @@ private:
 };
 
 class CORE_EXPORT MatchResult {
+    WTF_MAKE_NONCOPYABLE(MatchResult);
     STACK_ALLOCATED();
 public:
+    MatchResult() {}
+
     void addMatchedProperties(const StylePropertySet* properties, unsigned linkMatchType = CSSSelector::MatchAll, PropertyWhitelistType = PropertyWhitelistNone);
     bool hasMatchedProperties() const { return m_matchedProperties.size(); }