Build browser/sync files by default using a stubbed-out syncapi...

chrome/browser/sync/profile_sync_service_unittest.cc

 // Copyright (c) 2006-2008 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.
 
 #ifdef CHROME_PERSONALIZATION
+#ifndef COMPILING_SYNCAPI_STUB  // This test requires the real deal syncapi.
 
 #include <stack>
 #include <vector>
 
 #include "testing/gtest/include/gtest/gtest.h"
 
 #include "base/command_line.h"
 #include "base/string_util.h"
 #include "base/string16.h"
 #include "chrome/browser/bookmarks/bookmark_model.h"
@@ skipping 1247 matching lines @@
   // Restart the sync service.
   StartSyncService();
 
   // Make sure we're back in sync.  In real life, the user would need
   // to reauthenticate before this happens, but in the test, authentication
   // is sidestepped.
   ExpectBookmarkModelMatchesTestData();
   ExpectModelMatch();
 }
 
+#endif  // COMPILING_SYNCAPI_STUB
 #endif  // CHROME_PERSONALIZATION