[Sync] Fix Session's handling of windows.

chrome/browser/ui/webui/ntp/foreign_session_handler.cc

Index: chrome/browser/ui/webui/ntp/foreign_session_handler.cc
diff --git a/chrome/browser/ui/webui/ntp/foreign_session_handler.cc b/chrome/browser/ui/webui/ntp/foreign_session_handler.cc
index cbab342de671067cc52f9af3b99cf95b9e389505..97800509f07fbab9f566f0a0940d59d85781751e 100644
--- a/chrome/browser/ui/webui/ntp/foreign_session_handler.cc
+++ b/chrome/browser/ui/webui/ntp/foreign_session_handler.cc
@@ -108,10 +108,10 @@ void ForeignSessionHandler::HandleGetForeignSessions(const ListValue* args) {
       added_count < kMaxSessionsToShow; ++i) {
     const SyncedSession* foreign_session = *i;
     scoped_ptr<ListValue> window_list(new ListValue());
-    for (std::vector<SessionWindow*>::const_iterator it =
+    for (SyncedSession::SyncedWindowMap::const_iterator it =
         foreign_session->windows.begin(); it != foreign_session->windows.end();
         ++it) {
-      SessionWindow* window = *it;
+      SessionWindow* window = it->second;
       scoped_ptr<DictionaryValue> window_data(new DictionaryValue());
       if (SessionWindowToValue(*window, window_data.get())) {
         window_data->SetString("sessionTag", foreign_session->session_tag);