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

trunk/src/chrome/browser/ui/tab_modal_confirm_dialog.h

Index: trunk/src/chrome/browser/ui/tab_modal_confirm_dialog.h
===================================================================
--- trunk/src/chrome/browser/ui/tab_modal_confirm_dialog.h	(revision 214772)
+++ trunk/src/chrome/browser/ui/tab_modal_confirm_dialog.h	(working copy)
@@ -12,7 +12,7 @@
 }
 
 // Base class for the tab modal confirm dialog.
-class TabModalConfirmDialog : public TabModalConfirmDialogOperationsDelegate {
+class TabModalConfirmDialog : public TabModalConfirmDialogCloseDelegate {
  public:
   // Platform specific factory function. This function will automatically show
   // the dialog.
@@ -24,11 +24,9 @@
   // Cancels the dialog.
   virtual void CancelTabModalDialog() = 0;
 
-  // TabModalConfirmDialogOperationsDelegate:
+  // TabModalConfirmDialogCloseDelegate:
   // Closes the dialog.
   virtual void CloseDialog() = 0;
-  // Prevents the dialog from closing on WebContents load start.
-  virtual void SetPreventCloseOnLoadStart(bool prevent) = 0;
 
  protected:
   virtual ~TabModalConfirmDialog() {}