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

ipc/ipc_sync_channel_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.
 //
 // Unit test for SyncChannel.
 
 #include "ipc/ipc_sync_channel.h"
 
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/logging.h"
 #include "base/message_loop.h"
 #include "base/scoped_ptr.h"
 #include "base/stl_util-inl.h"
 #include "base/string_util.h"
 #include "base/third_party/dynamic_annotations/dynamic_annotations.h"
 #include "base/threading/platform_thread.h"
 #include "base/threading/thread.h"
-#include "base/waitable_event.h"
+#include "base/synchronization/waitable_event.h"
 #include "ipc/ipc_message.h"
 #include "ipc/ipc_sync_message_filter.h"
 #include "ipc/ipc_sync_message_unittest.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using namespace IPC;
 using base::WaitableEvent;
 
 namespace {
 
@@ skipping 1125 matching lines @@
   server.done_event()->Wait();
   server.done_event()->Reset();
 
   server.SendDummy();
   server.done_event()->Wait();
 
   EXPECT_FALSE(server.send_result());
 }