IDL: Add [Custom=CallEpilogue] to eliminate CG special cases

Source/core/frame/History.h

Index: Source/core/frame/History.h
diff --git a/Source/core/frame/History.h b/Source/core/frame/History.h
index ad1102a552a59038f2184ff4b23c69f9a47e5de9..12057e486d715a616108d72dc46ff64bfd8c2c89 100644
--- a/Source/core/frame/History.h
+++ b/Source/core/frame/History.h
@@ -58,6 +58,16 @@ public:
     void forward(ExecutionContext*);
     void go(ExecutionContext*, int distance);
 
+    void pushState(PassRefPtr<SerializedScriptValue> data, const String& title, const String& url, ExceptionState& exceptionState)
+    {
+        stateObjectAdded(data, title, url, FrameLoadTypeStandard, exceptionState);
+    }
+
+    void replaceState(PassRefPtr<SerializedScriptValue> data, const String& title, const String& url, ExceptionState& exceptionState)
+    {
+        stateObjectAdded(data, title, url, FrameLoadTypeRedirectWithLockedBackForwardList, exceptionState);
+    }
+
     bool stateChanged() const;
     bool isSameAsCurrentState(SerializedScriptValue*) const;