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

base/threading/thread_local_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/logging.h"
 #include "base/threading/simple_thread.h"
 #include "base/threading/thread_local.h"
-#include "base/waitable_event.h"
+#include "base/synchronization/waitable_event.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace base {
 
 namespace {
 
 class ThreadLocalTesterBase : public base::DelegateSimpleThreadPool::Delegate {
  public:
   typedef base::ThreadLocalPointer<ThreadLocalTesterBase> TLPType;
 
@@ skipping 135 matching lines @@
   }
 
   // Our slot should have been freed, we're all reset.
   {
     base::ThreadLocalBoolean tlb;
     EXPECT_FALSE(tlb.Get());
   }
 }
 
 }  // namespace base