Delete Tracked, and move Location to its own file.

base/message_loop_proxy_impl.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 "base/message_loop_proxy_impl.h"
+
+#include "base/location.h"
 #include "base/threading/thread_restrictions.h"
 
 namespace base {
 
 MessageLoopProxyImpl::~MessageLoopProxyImpl() {
 }
 
   // MessageLoopProxy implementation
 bool MessageLoopProxyImpl::PostTask(const tracked_objects::Location& from_here,
                                     Task* task) {
@@ skipping 120 matching lines @@
 
 scoped_refptr<MessageLoopProxy>
 MessageLoopProxy::current() {
   MessageLoop* cur_loop = MessageLoop::current();
   if (!cur_loop)
     return NULL;
   return cur_loop->message_loop_proxy();
 }
 
 }  // namespace base