QmlInspector: Fetch objects for location

Since the object tree is fetched lazily, we might have
objects whose debugIds are not known. In such cases,
objects can be fetched by passing the location info.

Change-Id: I2001460cc14401e011efef9be9194c9f7868d617
Reviewed-by: Kai Koehne <kai.koehne@nokia.com>

src/plugins/qmljseditor/qmljseditor.h

@@ -57,6 +57,9 @@ namespace QmlJS {
     class ModelManagerInterface;
     class IContextPane;
     class LookupContext;
+namespace AST {
+    class UiObjectMember;
+}
 }
 
 /*!
@@ -127,7 +130,8 @@ public slots:
 
 signals:
     void outlineModelIndexChanged(const QModelIndex &index);
-    void selectedElementsChanged(QList<int> offsets, const QString &wordAtCursor);
+    void selectedElementsChanged(QList<QmlJS::AST::UiObjectMember*> offsets,
+                                 const QString &wordAtCursor);
     void semanticInfoUpdated();
 
 private slots: