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

chrome/common/net/url_fetcher_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/message_loop_proxy.h"
 #include "base/threading/thread.h"
-#include "base/waitable_event.h"
+#include "base/synchronization/waitable_event.h"
 #include "build/build_config.h"
 #include "chrome/common/chrome_plugin_lib.h"
 #include "chrome/common/net/url_fetcher.h"
 #include "chrome/common/net/url_request_context_getter.h"
 #include "net/http/http_response_headers.h"
 #include "net/test/test_server.h"
 #include "net/url_request/url_request_throttler_manager.h"
 #include "net/url_request/url_request_unittest.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
@@ skipping 656 matching lines @@
 
   // Create the fetcher on the main thread.  Since IO will happen on the main
   // thread, this will test URLFetcher's ability to do everything on one
   // thread.
   CreateFetcher(test_server.GetURL("defaultresponse"));
 
   MessageLoop::current()->Run();
 }
 
 }  // namespace.