Move CancellationFlag and WaitableEvent to the synchronization subdirectory....

base/threading/worker_pool_posix_unittest.cc

 // Copyright (c) 2010 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_posix.h"
 
 #include <set>
 
 #include "base/lock.h"
 #include "base/synchronization/condition_variable.h"
 #include "base/task.h"
 #include "base/threading/platform_thread.h"
-#include "base/waitable_event.h"
+#include "base/synchronization/waitable_event.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace base {
 
 // Peer class to provide passthrough access to PosixDynamicThreadPool internals.
 class PosixDynamicThreadPool::PosixDynamicThreadPoolPeer {
  public:
   explicit PosixDynamicThreadPoolPeer(PosixDynamicThreadPool* pool)
       : pool_(pool) {}
 
@@ skipping 235 matching lines @@
   // Add another non blocking task.  There are no threads to reuse.
   pool_->PostTask(CreateNewIncrementingTask());
   WaitForIdleThreads(1);
 
   EXPECT_EQ(3U, unique_threads_.size());
   EXPECT_EQ(1, peer_.num_idle_threads());
   EXPECT_EQ(4, counter_);
 }
 
 }  // namespace base