Qml code model: handle modules dependencies.

Fix the broken hierarchies between qml objects.

Change-Id: Id36c735cab0129af382fab7b9dd90c228304168c
Reviewed-by: Erik Verbruggen <erik.verbruggen@theqtcompany.com>
Reviewed-by: Alessandro Portale <alessandro.portale@theqtcompany.com>

src/libs/qmljs/qmljsdocument.h

@@ -154,6 +154,7 @@ private:
     typedef QList<LanguageUtils::FakeMetaObject::ConstPtr> FakeMetaObjectList;
     FakeMetaObjectList _metaObjects;
     QList<ModuleApiInfo> _moduleApis;
+    QStringList _dependencies;
     QByteArray _fingerprint;
 
     PluginTypeInfoStatus _dumpStatus;
@@ -190,6 +191,12 @@ public:
     void setModuleApis(const QList<ModuleApiInfo> &apis)
     { _moduleApis = apis; }
 
+    QStringList dependencies() const
+    { return _dependencies; }
+
+    void setDependencies(const QStringList &deps)
+    { _dependencies = deps; }
+
     bool isValid() const
     { return _status == Found; }