Added classes to enable session sync functionality....

chrome/test/browser_with_test_window_test.h

Index: chrome/test/browser_with_test_window_test.h
===================================================================
--- chrome/test/browser_with_test_window_test.h	(revision 56023)
+++ chrome/test/browser_with_test_window_test.h	(working copy)
@@ -9,6 +9,7 @@
 #include <string>
 
 #include "base/message_loop.h"
+#include "chrome/browser/chrome_thread.h"
 #include "chrome/browser/renderer_host/test/test_render_view_host.h"
 #include "chrome/test/test_browser_window.h"
 #include "testing/gtest/include/gtest/gtest.h"
@@ -88,8 +89,10 @@
   void NavigateAndCommitActiveTab(const GURL& url);
 
  private:
+
   // We need to create a MessageLoop, otherwise a bunch of things fails.
   MessageLoopForUI ui_loop_;
+  ChromeThread ui_thread_;
 
   scoped_ptr<TestingProfile> profile_;
   scoped_ptr<TestBrowserWindow> window_;