QmlDebugger: user input on watches

Reviewed-by: hjk

src/plugins/debugger/qml/qmlcppengine.h

@@ -75,6 +75,8 @@ public:
 
     void setRegisterValue(int regnr, const QString &value);
     unsigned debuggerCapabilities() const;
+    virtual bool canWatchWidgets() const;
+    virtual bool acceptsWatchesWhileRunning() const;
 
     bool isSynchronous() const;
     QByteArray qtNamespace() const;