Support drag&drop for startup pages

chrome/browser/custom_home_pages_table_model.h

 // Copyright (c) 2011 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_CUSTOM_HOME_PAGES_TABLE_MODEL_H_
 #define CHROME_BROWSER_CUSTOM_HOME_PAGES_TABLE_MODEL_H_
 #pragma once
 
 #include <string>
 #include <vector>
@@ skipping 15 matching lines @@
 // of pages the user wants opened on startup.
 
 class CustomHomePagesTableModel : public ui::TableModel {
  public:
   explicit CustomHomePagesTableModel(Profile* profile);
   virtual ~CustomHomePagesTableModel();
 
   // Sets the set of urls that this model contains.
   void SetURLs(const std::vector<GURL>& urls);
 
+  // Collect all entries indexed by |index_list|, and moves them to be right
+  // before the element addressed by |insert_before|. Used by Drag&Drop.
+  // Expects |index_list| to be ordered ascending.
+  void MoveURLs(int insert_before, const std::vector<int>& index_list);
+
   // Adds an entry at the specified index.
   void Add(int index, const GURL& url);
 
   // Removes the entry at the specified index.
   void Remove(int index);
 
   // Clears any entries and fills the list with pages currently opened in the
   // browser.
   void SetToCurrentlyOpenPages();
 
@@ skipping 47 matching lines @@
 
   ui::TableModelObserver* observer_;
 
   // Used in loading titles and favicons.
   CancelableRequestConsumer query_consumer_;
 
   DISALLOW_COPY_AND_ASSIGN(CustomHomePagesTableModel);
 };
 
 #endif  // CHROME_BROWSER_CUSTOM_HOME_PAGES_TABLE_MODEL_H_