Timeline: Remove TimelineModel ctor with private object

Change-Id: Ie4e50c08f77cd710f067f1c5e33a1656878e0640
Reviewed-by: Christian Kandeler <christian.kandeler@qt.io>

src/libs/timeline/timelinemodel.cpp

@@ -157,11 +157,6 @@ TimelineModel::TimelineModelPrivate::TimelineModelPrivate(int modelId) :
 {
 }
 
-TimelineModel::TimelineModel(TimelineModelPrivate &dd, QObject *parent) :
-    QObject(parent), d_ptr(&dd)
-{
-}
-
 TimelineModel::TimelineModel(int modelId, QObject *parent) :
     QObject(parent), d_ptr(new TimelineModelPrivate(modelId))
 {

src/libs/timeline/timelinemodel.h

@@ -138,10 +138,8 @@ protected:
 
     virtual void clear();
 
-    explicit TimelineModel(TimelineModelPrivate &dd, QObject *parent);
-    TimelineModelPrivate *d_ptr;
-
 private:
+    TimelineModelPrivate *d_ptr;
     Q_DECLARE_PRIVATE(TimelineModel)
 };
 

src/libs/timeline/timelinemodel_p.h

@@ -63,7 +63,6 @@ public:
     };
 
     TimelineModelPrivate(int modelId);
-    void init(TimelineModel *q);
 
     int firstIndexNoParents(qint64 startTime) const;
 

tests/auto/timeline/timelinemodel/tst_timelinemodel.cpp

@@ -31,12 +31,6 @@ static const int NumItems = 32;
 static const qint64 ItemDuration = 1 << 19;
 static const qint64 ItemSpacing = 1 << 20;
 
-class DummyModelPrivate : public Timeline::TimelineModel::TimelineModelPrivate {
-public:
-    DummyModelPrivate(int modelId) : Timeline::TimelineModel::TimelineModelPrivate(modelId)
-    {}
-};
-
 class DummyModel : public Timeline::TimelineModel
 {
     Q_OBJECT
@@ -86,7 +80,7 @@ private slots:
 };
 
 DummyModel::DummyModel(int modelId) :
-    Timeline::TimelineModel(*new DummyModelPrivate(modelId), 0)
+    Timeline::TimelineModel(modelId, 0)
 {
 }