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

chrome/plugin/plugin_channel.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/plugin/plugin_channel.h"
 
 #include "base/command_line.h"
 #include "base/lock.h"
 #include "base/process_util.h"
 #include "base/string_util.h"
-#include "base/waitable_event.h"
+#include "base/synchronization/waitable_event.h"
 #include "build/build_config.h"
 #include "chrome/common/child_process.h"
 #include "chrome/common/plugin_messages.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/plugin/plugin_thread.h"
 #include "chrome/plugin/webplugin_delegate_stub.h"
 #include "chrome/plugin/webplugin_proxy.h"
 #include "webkit/plugins/npapi/plugin_instance.h"
 
 #if defined(OS_POSIX)
@@ skipping 298 matching lines @@
 }
 
 bool PluginChannel::Init(MessageLoop* ipc_message_loop, bool create_pipe_now) {
   if (!PluginChannelBase::Init(ipc_message_loop, create_pipe_now))
     return false;
 
   channel_->AddFilter(filter_.get());
   return true;
 }