Delete Tracked, and move Location to its own file.

base/threading/worker_pool_unittest.cc

 // Copyright (c) 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.
 
+#include "base/threading/worker_pool.h"
+
+#include "base/location.h"
 #include "base/task.h"
 #include "base/synchronization/waitable_event.h"
-#include "base/threading/worker_pool.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "testing/platform_test.h"
 
 typedef PlatformTest WorkerPoolTest;
 
 namespace base {
 
 namespace {
 
 class PostTaskTestTask : public Task {
@@ skipping 19 matching lines @@
   WorkerPool::PostTask(FROM_HERE, new PostTaskTestTask(&test_event), false);
   WorkerPool::PostTask(FROM_HERE, new PostTaskTestTask(&long_test_event), true);
 
   signaled = test_event.Wait();
   EXPECT_TRUE(signaled);
   signaled = long_test_event.Wait();
   EXPECT_TRUE(signaled);
 }
 
 }  // namespace base