Eliminate RuleRange.

sky/engine/core/css/resolver/MatchResult.cpp

Index: sky/engine/core/css/resolver/MatchResult.cpp
diff --git a/sky/engine/core/css/resolver/MatchResult.cpp b/sky/engine/core/css/resolver/MatchResult.cpp
index 1abed72a18a5e96ab20447ecd90739d04d4fd774..2432b0ff995ee9165cd4ba81eff32a2b00f6c842 100644
--- a/sky/engine/core/css/resolver/MatchResult.cpp
+++ b/sky/engine/core/css/resolver/MatchResult.cpp
@@ -34,19 +34,10 @@
 
 namespace blink {
 
-MatchedProperties::MatchedProperties()
-{
-}
-
-MatchedProperties::~MatchedProperties()
-{
-}
-
 void MatchResult::addMatchedProperties(const StylePropertySet* properties)
 {
     matchedProperties.grow(matchedProperties.size() + 1);
-    MatchedProperties& newProperties = matchedProperties.last();
-    newProperties.properties = const_cast<StylePropertySet*>(properties);
+    matchedProperties.last() = const_cast<StylePropertySet*>(properties);
 }
 
 } // namespace blink