When the user navigates to the home page, make sure to set the RLZ string

chrome/browser/sessions/session_types.cc

 // 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.
 
 #include "chrome/browser/sessions/session_types.h"
 
 #include "base/string_util.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser.h"
 #include "content/browser/tab_contents/navigation_controller.h"
@@ skipping 48 matching lines @@
 
 // static
 NavigationEntry* TabNavigation::ToNavigationEntry(int page_id,
                                                   Profile *profile) const {
   NavigationEntry* entry = NavigationController::CreateNavigationEntry(
       virtual_url_,
       referrer_,
       // Use a transition type of reload so that we don't incorrectly
       // increase the typed count.
       PageTransition::RELOAD,
+      std::string(),
       profile);
 
   entry->set_page_id(page_id);
   entry->set_title(title_);
   entry->set_content_state(state_);
   entry->set_has_post_data(type_mask_ & TabNavigation::HAS_POST_DATA);
 
   return entry;
 }
 
@@ skipping 44 matching lines @@
 
 // SyncedSession --------------------------------------------------------------
 
 SyncedSession::SyncedSession() : session_tag("invalid") {
 }
 
 SyncedSession::~SyncedSession() {
   STLDeleteElements(&windows);
 }