alternate ntp: add "Recent Tabs" submenu to wrench menu

chrome/browser/sync/glue/session_model_associator.h

Index: chrome/browser/sync/glue/session_model_associator.h
diff --git a/chrome/browser/sync/glue/session_model_associator.h b/chrome/browser/sync/glue/session_model_associator.h
index 0a61fa12d32162b983e5b5885f1fef6f0805b5ed..e0d64c49327d70b3c35aa27049c149a5892a6d3c 100644
--- a/chrome/browser/sync/glue/session_model_associator.h
+++ b/chrome/browser/sync/glue/session_model_associator.h
@@ -233,6 +233,10 @@ class SessionModelAssociator
   bool GetSyncedFaviconForPageURL(const std::string& url,
                                   std::string* png_favicon) const;
 
+  void SetCurrentMachineTagForTesting(const std::string& machine_tag) {
+    current_machine_tag_ = machine_tag;
+  }
+
  private:
   friend class SyncSessionModelAssociatorTest;
   FRIEND_TEST_ALL_PREFIXES(ProfileSyncServiceSessionTest, WriteSessionToNode);