Move NPAPI test plugin to content/test/plugin.

content/test/plugin/plugin_thread_async_call_test.h

 // 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.
 
-#ifndef WEBKIT_PLUGINS_NPAPI_TEST_PLUGIN_THREAD_ASYNC_CALL_TEST_H_
-#define WEBKIT_PLUGINS_NPAPI_TEST_PLUGIN_THREAD_ASYNC_CALL_TEST_H_
+#ifndef CONTENT_TEST_PLUGIN_PLUGIN_THREAD_ASYNC_CALL_TEST_H_
+#define CONTENT_TEST_PLUGIN_PLUGIN_THREAD_ASYNC_CALL_TEST_H_
 
-#include "webkit/plugins/npapi/test/plugin_test.h"
+#include "content/test/plugin/plugin_test.h"
 
 namespace base {
 class ShadowingAtExitManager;
 }
 
 namespace NPAPIClient {
 
 // This class tests scheduling and unscheduling of async callbacks using
 // NPN_PluginThreadAsyncCall.
 class PluginThreadAsyncCallTest : public PluginTest {
@@ skipping 12 matching lines @@
 
  private:
   // base::Thread needs one of these.
   base::ShadowingAtExitManager* at_exit_manager_;
 
   DISALLOW_COPY_AND_ASSIGN(PluginThreadAsyncCallTest);
 };
 
 }  // namespace NPAPIClient
 
-#endif  // WEBKIT_PLUGINS_NPAPI_TEST_PLUGIN_THREAD_ASYNC_CALL_TEST_H_
+#endif  // CONTENT_TEST_PLUGIN_PLUGIN_THREAD_ASYNC_CALL_TEST_H_