C++: Trigger function signature change via quick fix.

This way we don't need to override Return and Escape.

Change-Id: I1548118c06ee7338ba3dd9d84b82b9314ab16782
Reviewed-on: http://codereview.qt.nokia.com/4183
Reviewed-by: Leandro T. C. Melo <leandro.melo@nokia.com>

src/plugins/cppeditor/cppfunctiondecldeflink.h

@@ -33,6 +33,8 @@
 #ifndef CPPFUNCTIONDECLDEFLINK_H
 #define CPPFUNCTIONDECLDEFLINK_H
 
+#include "cppquickfix.h"
+
 #include <cplusplus/CppDocument.h>
 #include <cplusplus/ASTfwd.h>
 
@@ -121,6 +123,13 @@ private:
     friend class FunctionDeclDefLinkFinder;
 };
 
+class ApplyDeclDefLinkChanges: public CppQuickFixFactory
+{
+public:
+    virtual QList<CppQuickFixOperation::Ptr>
+        match(const QSharedPointer<const Internal::CppQuickFixAssistInterface> &interface);
+};
+
 } // namespace Internal
 } // namespace CppEditor