Do not submit: high level overview patch.

chrome/browser/sessions/tab_restore_service_delegate.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_SESSIONS_TAB_RESTORE_SERVICE_DELEGATE_H_
 #define CHROME_BROWSER_SESSIONS_TAB_RESTORE_SERVICE_DELEGATE_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 39 matching lines @@
   virtual bool IsTabPinned(int index) const = 0;
   virtual content::WebContents* AddRestoredTab(
       const std::vector<sessions::SerializedNavigationEntry>& navigations,
       int tab_index,
       int selected_navigation,
       const std::string& extension_app_id,
       bool select,
       bool pin,
       bool from_last_session,
       content::SessionStorageNamespace* storage_namespace,
-      const std::string& user_agent_override) = 0;
+      const std::string& user_agent_override,
+      const int64& sync_id) = 0;
   virtual void ReplaceRestoredTab(
       const std::vector<sessions::SerializedNavigationEntry>& navigations,
       int selected_navigation,
       bool from_last_session,
       const std::string& extension_app_id,
       content::SessionStorageNamespace* session_storage_namespace,
-      const std::string& user_agent_override) = 0;
+      const std::string& user_agent_override,
+      const int64& sync_id) = 0;
   virtual void CloseTab() = 0;
 
   // see Browser::Create
   static TabRestoreServiceDelegate* Create(
       Profile* profile,
       chrome::HostDesktopType host_desktop_type,
       const std::string& app_name);
 
   // see browser::FindBrowserForWebContents
   static TabRestoreServiceDelegate* FindDelegateForWebContents(
       const content::WebContents* contents);
 
   // see chrome::FindBrowserWithID
   // Returns the TabRestoreServiceDelegate of the Browser with |desired_id| if
   // such a Browser exists and is on the desktop defined by |host_desktop_type|.
   static TabRestoreServiceDelegate* FindDelegateWithID(
       SessionID::id_type desired_id,
       chrome::HostDesktopType host_desktop_type);
 
  protected:
   virtual ~TabRestoreServiceDelegate() {}
 };
 
 #endif  // CHROME_BROWSER_SESSIONS_TAB_RESTORE_SERVICE_DELEGATE_H_