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

chrome/browser/net/chrome_net_log_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 "chrome/browser/net/chrome_net_log.h"
 
-#include "base/waitable_event.h"
+#include "base/synchronization/waitable_event.h"
 #include "base/threading/simple_thread.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace {
 
 const int kThreads = 10;
 const int kEvents = 100;
 
 class ChromeNetLogTestThread : public base::SimpleThread {
  public:
@@ skipping 46 matching lines @@
   for (int i = 0; i < kThreads; ++i)
     threads[i].ReallyStart();
 
   for (int i = 0; i < kThreads; ++i)
     threads[i].Join();
 
   ChromeNetLog::EntryList entries;
   log.GetAllPassivelyCapturedEvents(&entries);
   EXPECT_EQ(0u, entries.size());
 }