Debugger: Simplify tooltip interface

Change-Id: I7ce688e56fb516ef6e77ee2e4f56d9b56379918b
Reviewed-by: David Schulz <david.schulz@digia.com>
Reviewed-by: hjk <hjk121@nokiamail.com>

src/plugins/debugger/qml/qmlengine.h

@@ -128,8 +128,8 @@ private:
     void shutdownInferior();
     void shutdownEngine();
 
-    bool setToolTipExpression(const QPoint &mousePos,
-        TextEditor::ITextEditor *editor, const DebuggerToolTipContext &);
+    bool setToolTipExpression(TextEditor::ITextEditor *editor,
+        const DebuggerToolTipContext &);
 
     void continueInferior();
     void interruptInferior();