Remove ConstrainedWindowGtkDelegate

chrome/browser/ui/gtk/tab_modal_confirm_dialog_gtk.h

Index: chrome/browser/ui/gtk/tab_modal_confirm_dialog_gtk.h
diff --git a/chrome/browser/ui/gtk/tab_modal_confirm_dialog_gtk.h b/chrome/browser/ui/gtk/tab_modal_confirm_dialog_gtk.h
index 7fb7893d767f076068ff0e771515fc6bbd2517c3..543d148f7b86c775a149b56c2bf1a7fed915f31c 100644
--- a/chrome/browser/ui/gtk/tab_modal_confirm_dialog_gtk.h
+++ b/chrome/browser/ui/gtk/tab_modal_confirm_dialog_gtk.h
@@ -24,17 +24,11 @@ class WebContents;
 // To display the dialog, allocate this object on the heap. It will open the
 // dialog from its constructor and then delete itself when the user dismisses
 // the dialog.
-class TabModalConfirmDialogGtk : public TabModalConfirmDialog,
-                                 public ConstrainedWindowGtkDelegate {
+class TabModalConfirmDialogGtk : public TabModalConfirmDialog {
  public:
   TabModalConfirmDialogGtk(TabModalConfirmDialogDelegate* delegate,
                            content::WebContents* web_contents);
 
-  // ConstrainedWindowGtkDelegate:
-  virtual GtkWidget* GetWidgetRoot() OVERRIDE;
-  virtual GtkWidget* GetFocusWidget() OVERRIDE;
-  virtual void DeleteDelegate() OVERRIDE;
-
  private:
   friend class TabModalConfirmDialogTest;
 
@@ -50,6 +44,7 @@ class TabModalConfirmDialogGtk : public TabModalConfirmDialog,
   // Callbacks:
   CHROMEGTK_CALLBACK_0(TabModalConfirmDialogGtk, void, OnAccept);
   CHROMEGTK_CALLBACK_0(TabModalConfirmDialogGtk, void, OnCancel);
+  CHROMEGTK_CALLBACK_0(TabModalConfirmDialogGtk, void, OnDestroy);
 
   scoped_ptr<TabModalConfirmDialogDelegate> delegate_;