QmlDebugging: Implement RunToLine capability

Change-Id: I153c30310ac318d2de8b9a96c6d1e7f80439d306
Reviewed-by: Kai Koehne <kai.koehne@nokia.com>

src/plugins/debugger/qml/qscriptdebuggerclient.h

@@ -59,6 +59,8 @@ public:
     void executeNext();
     void executeStepI();
 
+    void executeRunToLine(const ContextData &data);
+
     void continueInferior();
     void interruptInferior();