Delete Tracked, and move Location to its own file.

net/proxy/polling_proxy_config_service.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 "net/proxy/polling_proxy_config_service.h"
 
+#include "base/location.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop_proxy.h"
 #include "base/observer_list.h"
 #include "base/synchronization/lock.h"
 #include "base/threading/worker_pool.h"
 #include "net/proxy/proxy_config.h"
 
 namespace net {
 
 // Reference-counted wrapper that does all the work (needs to be
@@ skipping 164 matching lines @@
 
 PollingProxyConfigService::~PollingProxyConfigService() {
   core_->Orphan();
 }
 
 void PollingProxyConfigService::CheckForChangesNow() {
   core_->CheckForChangesNow();
 }
 
 }  // namespace net