Revert 212329 "Reland "Close web contents modal dialogs on conte..."

trunk/src/chrome/browser/ui/gtk/tab_modal_confirm_dialog_gtk.cc

Index: trunk/src/chrome/browser/ui/gtk/tab_modal_confirm_dialog_gtk.cc
===================================================================
--- trunk/src/chrome/browser/ui/gtk/tab_modal_confirm_dialog_gtk.cc	(revision 214772)
+++ trunk/src/chrome/browser/ui/gtk/tab_modal_confirm_dialog_gtk.cc	(working copy)
@@ -31,8 +31,7 @@
 TabModalConfirmDialogGtk::TabModalConfirmDialogGtk(
     TabModalConfirmDialogDelegate* delegate,
     content::WebContents* web_contents)
-    : web_contents_(web_contents),
-      delegate_(delegate),
+    : delegate_(delegate),
       window_(NULL) {
   dialog_ = gtk_vbox_new(FALSE, ui::kContentAreaSpacing);
   GtkWidget* label = gtk_label_new(
@@ -101,7 +100,7 @@
   g_signal_connect(dialog_, "destroy", G_CALLBACK(OnDestroyThunk), this);
 
   window_ = CreateWebContentsModalDialogGtk(dialog_, cancel_);
-  delegate_->set_operations_delegate(this);
+  delegate_->set_close_delegate(this);
 
   WebContentsModalDialogManager* web_contents_modal_dialog_manager =
       WebContentsModalDialogManager::FromWebContents(web_contents);
@@ -124,13 +123,6 @@
   gtk_widget_destroy(window_);
 }
 
-void TabModalConfirmDialogGtk::SetPreventCloseOnLoadStart(bool prevent) {
-  WebContentsModalDialogManager* web_contents_modal_dialog_manager =
-      WebContentsModalDialogManager::FromWebContents(web_contents_);
-  web_contents_modal_dialog_manager->SetPreventCloseOnLoadStart(window_,
-                                                                prevent);
-}
-
 void TabModalConfirmDialogGtk::OnAccept(GtkWidget* widget) {
   delegate_->Accept();
 }