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

chrome/test/thread_test_helper.h

 // 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.
 
 #ifndef CHROME_TEST_THREAD_TEST_HELPER_H_
 #define CHROME_TEST_THREAD_TEST_HELPER_H_
 #pragma once
 
 #include "base/ref_counted.h"
-#include "base/waitable_event.h"
+#include "base/synchronization/waitable_event.h"
 #include "chrome/browser/browser_thread.h"
 
 // Helper class that executes code on a given thread while blocking on the
 // invoking thread (normally the UI thread). To use, derive from this class and
 // overwrite RunTest. An alternative use of this class is to use it directly.
 // It will then block until all pending tasks on a given thread have been
 // executed.
 class ThreadTestHelper : public base::RefCountedThreadSafe<ThreadTestHelper> {
  public:
   explicit ThreadTestHelper(BrowserThread::ID thread_id)
@@ skipping 29 matching lines @@
   }
 
   bool test_result_;
   BrowserThread::ID thread_id_;
   base::WaitableEvent done_event_;
 
   DISALLOW_COPY_AND_ASSIGN(ThreadTestHelper);
 };
 
 #endif  // CHROME_TEST_THREAD_TEST_HELPER_H_