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

base/synchronization/waitable_event_watcher_unittest.cc

-// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Copyright (c) 2011 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/message_loop.h"
+#include "base/synchronization/waitable_event.h"
+#include "base/synchronization/waitable_event_watcher.h"
 #include "base/threading/platform_thread.h"
-#include "base/waitable_event.h"
-#include "base/waitable_event_watcher.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
-using base::WaitableEvent;
-using base::WaitableEventWatcher;
+namespace base {
 
 namespace {
 
 class QuitDelegate : public WaitableEventWatcher::Delegate {
  public:
   virtual void OnWaitableEventSignaled(WaitableEvent* event) {
     MessageLoop::current()->Quit();
   }
 };
 
@@ skipping 132 matching lines @@
 // Crashes sometimes on vista.  http://crbug.com/62119
 #define MAYBE_DeleteUnder DISABLED_DeleteUnder
 #else
 #define MAYBE_DeleteUnder DeleteUnder
 #endif
 TEST(WaitableEventWatcherTest, MAYBE_DeleteUnder) {
   RunTest_DeleteUnder(MessageLoop::TYPE_DEFAULT);
   RunTest_DeleteUnder(MessageLoop::TYPE_IO);
   RunTest_DeleteUnder(MessageLoop::TYPE_UI);
 }
+
+}  // namespace base