[SVG] Avoid unnecessarily populating hashmap for repeat(n) event

Source/core/svg/animation/SVGSMILElement.h

Index: Source/core/svg/animation/SVGSMILElement.h
diff --git a/Source/core/svg/animation/SVGSMILElement.h b/Source/core/svg/animation/SVGSMILElement.h
index 5043ccb8277e6b87d441b2a0284f207e87f4c466..e9d5e0560b5581b04032b33b6f5675f355fce8c3 100644
--- a/Source/core/svg/animation/SVGSMILElement.h
+++ b/Source/core/svg/animation/SVGSMILElement.h
@@ -162,12 +162,13 @@ private:
             AccessKey
         };
 
-        Condition(Type, BeginOrEnd, const String& baseID, const String& name, SMILTime offset);
+        Condition(Type, BeginOrEnd, const String& baseID, const String& name, SMILTime offset, int repeat = -1);
         Type m_type;
         BeginOrEnd m_beginOrEnd;
         String m_baseID;
         String m_name;
         SMILTime m_offset;
+        int m_repeat;
         RefPtr<Element> m_syncbase;
         RefPtr<ConditionEventListener> m_eventListener;
     };