Reland r114898: Add TabModalConfirmDialogDelegate.

chrome/browser/ui/gtk/browser_window_gtk.cc

Index: chrome/browser/ui/gtk/browser_window_gtk.cc
diff --git a/chrome/browser/ui/gtk/browser_window_gtk.cc b/chrome/browser/ui/gtk/browser_window_gtk.cc
index 45ae9b76390be91633695fd4cbddd5c7df89469e..496b97357fbcdd26bbe82aa1e0f20379abd3fea6 100644
--- a/chrome/browser/ui/gtk/browser_window_gtk.cc
+++ b/chrome/browser/ui/gtk/browser_window_gtk.cc
@@ -62,7 +62,6 @@
 #include "chrome/browser/ui/gtk/location_bar_view_gtk.h"
 #include "chrome/browser/ui/gtk/nine_box.h"
 #include "chrome/browser/ui/gtk/reload_button_gtk.h"
-#include "chrome/browser/ui/gtk/repost_form_warning_gtk.h"
 #include "chrome/browser/ui/gtk/status_bubble_gtk.h"
 #include "chrome/browser/ui/gtk/tab_contents_container_gtk.h"
 #include "chrome/browser/ui/gtk/tabs/tab_strip_gtk.h"
@@ -1045,10 +1044,6 @@ DownloadShelf* BrowserWindowGtk::GetDownloadShelf() {
   return download_shelf_.get();
 }
 
-void BrowserWindowGtk::ShowRepostFormWarningDialog(TabContents* tab_contents) {
-  new RepostFormWarningGtk(GetNativeHandle(), tab_contents);
-}
-
 void BrowserWindowGtk::ShowCollectedCookiesDialog(TabContentsWrapper* wrapper) {
   // Deletes itself on close.
   new CollectedCookiesGtk(GetNativeHandle(), wrapper);