Print preview: Handle all tab navigations in PrintPreviewTabController instead of in two places. Ha…

chrome/browser/printing/print_preview_tab_controller.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_PRINTING_PRINT_PREVIEW_TAB_CONTROLLER_H_
 #define CHROME_BROWSER_PRINTING_PRINT_PREVIEW_TAB_CONTROLLER_H_
 
 #include <map>
 
 #include "base/memory/ref_counted.h"
@@ skipping 86 matching lines @@
 
   // Helper function to store the initiator tab(title and url) information
   // in PrintPreviewUI.
   void SetInitiatorTabURLAndTitle(TabContents* preview_tab);
 
   // Adds/Removes observers for notifications from |tab|.
   void AddObservers(TabContents* tab);
   void RemoveObservers(TabContents* tab);
 
   // Removes tabs when they close/crash/navigate.
-  void RemoveInitiatorTab(TabContents* initiator_tab, bool is_navigation);
+  void RemoveInitiatorTab(TabContents* initiator_tab);
   void RemovePreviewTab(TabContents* preview_tab);
 
   // Mapping between print preview tab and the corresponding initiator tab.
   PrintPreviewTabMap preview_tab_map_;
 
   // A registrar for listening notifications.
   content::NotificationRegistrar registrar_;
 
   // True if the controller is waiting for a new preview tab via
   // content::NAVIGATION_TYPE_NEW_PAGE.
   bool waiting_for_new_preview_page_;
 
   // Whether the PrintPreviewTabController is in the middle of creating a
   // print preview tab.
   bool is_creating_print_preview_tab_;
 
   DISALLOW_COPY_AND_ASSIGN(PrintPreviewTabController);
 };
 
 }  // namespace printing
 
 #endif  // CHROME_BROWSER_PRINTING_PRINT_PREVIEW_TAB_CONTROLLER_H_