Modify chrome_frame_net_tests to integrate the refactoring to ProcessSingleton.

chrome_frame/test/net/process_singleton_subclass.h

-// 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.
-#ifndef CHROME_FRAME_TEST_NET_PROCESS_SINGLETON_SUBCLASS_H_
-#define CHROME_FRAME_TEST_NET_PROCESS_SINGLETON_SUBCLASS_H_
-
-#include <windows.h>
-
-#include <string>
-
-class FilePath;
-struct FunctionStub;
-
-class ProcessSingletonSubclassDelegate {
- public:
-  virtual void OnConnectAutomationProviderToChannel(
-      const std::string& channel_id) = 0;
-};
-
-class ProcessSingletonSubclass {
- public:
-  explicit ProcessSingletonSubclass(ProcessSingletonSubclassDelegate* delegate);
-  ~ProcessSingletonSubclass();
-
-  bool Subclass(const FilePath& user_data_dir);
-
- protected:
-  static LRESULT CALLBACK SubclassWndProc(ProcessSingletonSubclass* me,
-      HWND hwnd, UINT msg, WPARAM wp, LPARAM lp);
-  LRESULT OnCopyData(HWND hwnd, HWND from_hwnd, const COPYDATASTRUCT* cds);
- protected:
-  FunctionStub* stub_;
-  ProcessSingletonSubclassDelegate* delegate_;
-  WNDPROC original_wndproc_;
-};
-
-#endif  // CHROME_FRAME_TEST_NET_PROCESS_SINGLETON_SUBCLASS_H_