Avoid conversion of index to BookmarkNode pointer unnacessarily.

chrome/browser/ui/bookmarks/bookmark_context_menu_controller.cc

 // 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.
 
 #include "chrome/browser/ui/bookmarks/bookmark_context_menu_controller.h"
 
 #include "base/command_line.h"
 #include "base/compiler_specific.h"
 #include "base/prefs/pref_service.h"
 #include "chrome/app/chrome_command_ids.h"
@@ skipping 182 matching lines @@
       break;
     }
 
     case IDC_BOOKMARK_BAR_REMOVE: {
       content::RecordAction(
           UserMetricsAction("BookmarkBar_ContextMenu_Remove"));
 
       for (size_t i = 0; i < selection_.size(); ++i) {
         int index = selection_[i]->parent()->GetIndexOf(selection_[i]);
         if (index > -1)
-          model_->Remove(selection_[i]->parent(), index);
+          model_->Remove(selection_[i]);
       }
       selection_.clear();
       break;
     }
 
     case IDC_BOOKMARK_BAR_ADD_NEW_BOOKMARK: {
       content::RecordAction(
           UserMetricsAction("BookmarkBar_ContextMenu_Add"));
 
       int index;
@@ skipping 214 matching lines @@
 bool BookmarkContextMenuController::GetAcceleratorForCommandId(
     int command_id,
     ui::Accelerator* accelerator) {
   return false;
 }
 
 void BookmarkContextMenuController::BookmarkModelChanged() {
   if (delegate_)
     delegate_->CloseMenu();
 }