Delete Tracked, and move Location to its own file.

chrome/browser/sync/js/js_sync_manager_observer_unittest.cc

 // Copyright (c) 2011 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/sync/js/js_sync_manager_observer.h"
 
 #include <cstddef>
 
 #include "base/basictypes.h"
+#include "base/location.h"
 #include "base/message_loop.h"
-#include "base/tracked.h"
 #include "base/values.h"
 #include "chrome/browser/sync/internal_api/read_node.h"
 #include "chrome/browser/sync/internal_api/read_transaction.h"
 #include "chrome/browser/sync/internal_api/write_node.h"
 #include "chrome/browser/sync/internal_api/write_transaction.h"
 #include "chrome/browser/sync/js/js_arg_list.h"
 #include "chrome/browser/sync/js/js_event_details.h"
 #include "chrome/browser/sync/js/js_test_util.h"
 #include "chrome/browser/sync/protocol/sync_protocol_error.h"
 #include "chrome/browser/sync/sessions/session_state.h"
@@ skipping 306 matching lines @@
         &trans,
         sync_api::ImmutableChangeRecordList(&local_changes));
   }
 
   test_user_share.TearDown();
   PumpLoop();
 }
 
 }  // namespace
 }  // namespace browser_sync