Fixes couple of bugs triggered on chromeos when restoring a tab:

chrome/browser/sessions/tab_restore_service_helper.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/sessions/tab_restore_service_helper.h"
 
 #include <algorithm>
 #include <iterator>
 
 #include "base/logging.h"
@@ skipping 287 matching lines @@
 
   restoring_ = false;
   NotifyTabsChanged();
 }
 
 void TabRestoreServiceHelper::NotifyTabsChanged() {
   FOR_EACH_OBSERVER(TabRestoreServiceObserver, observer_list_,
                     TabRestoreServiceChanged(tab_restore_service_));
 }
 
+void TabRestoreServiceHelper::NotifyLoaded() {
+  FOR_EACH_OBSERVER(TabRestoreServiceObserver, observer_list_,
+                    TabRestoreServiceLoaded(tab_restore_service_));
+}
+
 void TabRestoreServiceHelper::AddEntry(Entry* entry,
                                        bool notify,
                                        bool to_front) {
   if (!FilterEntry(entry) || (entries_.size() >= kMaxEntries && !to_front)) {
     delete entry;
     return;
   }
 
   if (to_front)
     entries_.push_front(entry);
@@ skipping 243 matching lines @@
       Tab* tab = static_cast<Tab*>(entry);
       if (tab->browser_id == old_id)
         tab->browser_id = new_id;
     }
   }
 }
 
 base::Time TabRestoreServiceHelper::TimeNow() const {
   return time_factory_ ? time_factory_->TimeNow() : base::Time::Now();
 }