CellularPanel passes AudacityProject* to DoContextMenu() of cell

src/AdornedRulerPanel.cpp

@@ -430,7 +430,7 @@ public:
 
    unsigned DoContextMenu
       (const wxRect &rect,
-       wxWindow *pParent, wxPoint *pPosition) final override
+       wxWindow *pParent, wxPoint *pPosition, AudacityProject*) final override
    {
       (void)pParent;// Compiler food
       (void)rect;// Compiler food

src/CellularPanel.cpp

@@ -877,7 +877,7 @@ void CellularPanel::DoContextMenu( TrackPanelCell *pCell )
 
    auto rect = FindRect( *delegate );
    const UIHandle::Result refreshResult =
-      delegate->DoContextMenu(rect, this, NULL);
+      delegate->DoContextMenu(rect, this, nullptr, GetProject());
 
    // To do: use safer shared_ptr to pCell
    ProcessUIHandleResult(pCell, pCell, refreshResult);

src/TrackPanel.cpp

@@ -1597,7 +1597,7 @@ unsigned TrackPanelCell::HandleWheelRotation
 }
 
 unsigned TrackPanelCell::DoContextMenu
-   (const wxRect &, wxWindow*, wxPoint *)
+   (const wxRect &, wxWindow*, wxPoint *, AudacityProject*)
 {
    return RefreshCode::RefreshNone;
 }

src/TrackPanelCell.h

@@ -109,7 +109,7 @@ public:
    // Default implementation does nothing
    virtual unsigned DoContextMenu
       (const wxRect &rect,
-       wxWindow *pParent, wxPoint *pPosition);
+       wxWindow *pParent, wxPoint *pPosition, AudacityProject *pProject);
 
    // Return value is a bitwise OR of RefreshCode values
    // Default skips the event and does nothing

src/tracks/ui/CommonTrackControls.cpp

@@ -262,7 +262,7 @@ void TrackMenuTable::OnMoveTrack(wxCommandEvent &event)
 }
 
 unsigned CommonTrackControls::DoContextMenu
-   (const wxRect &rect, wxWindow *pParent, wxPoint *)
+   (const wxRect &rect, wxWindow *pParent, wxPoint *, AudacityProject*)
 {
    wxRect buttonRect;
    TrackInfo::GetTitleBarRect(rect, buttonRect);

src/tracks/ui/CommonTrackControls.h

@@ -53,7 +53,8 @@ protected:
        const AudacityProject *) override = 0;
 
    unsigned DoContextMenu
-      (const wxRect &rect, wxWindow *pParent, wxPoint *pPosition) override;
+      (const wxRect &rect, wxWindow *pParent, wxPoint *pPosition,
+       AudacityProject *pProject) override;
    virtual PopupMenuTable *GetMenuExtension(Track *pTrack) = 0;
 
    // TrackPanelDrawable implementation