Remove TabContents from TabModalConfirmDialog.

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 152fa6746bb987712440c36466c60deb45bd3e04..587fd960aaa714447de01ce570556518fb1a0257 100644
--- a/chrome/browser/ui/gtk/tab_modal_confirm_dialog_gtk.h
+++ b/chrome/browser/ui/gtk/tab_modal_confirm_dialog_gtk.h
@@ -13,9 +13,12 @@
 #include "chrome/browser/ui/gtk/constrained_window_gtk.h"
 #include "ui/base/gtk/gtk_signal.h"
 
-class TabContents;
 class TabModalConfirmDialogDelegate;
 
+namespace content {
+class WebContents;
+}
+
 // Displays a tab-modal dialog, i.e. a dialog that will block the current page
 // but still allow the user to switch to a different page.
 // To display the dialog, allocate this object on the heap. It will open the
@@ -25,7 +28,7 @@ class TabModalConfirmDialogGtk : public TabModalConfirmDialog,
                                  public ConstrainedWindowGtkDelegate {
  public:
   TabModalConfirmDialogGtk(TabModalConfirmDialogDelegate* delegate,
-                           TabContents* tab_contents);
+                           content::WebContents* web_contents);
 
   // ConstrainedWindowGtkDelegate:
   virtual GtkWidget* GetWidgetRoot() OVERRIDE;