Remove Chrome Frame code and resources.

chrome_frame/event_hooker.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.
-
-#include <windows.h>
-
-#ifndef CHROME_FRAME_EVENT_HOOKER_H_
-#define CHROME_FRAME_EVENT_HOOKER_H_
-
-class EventHooker {
- public:
-  EventHooker();
-  ~EventHooker();
-
-  // Call this to install event hooks that will trigger on window creation
-  // and reparenting. Returns true if the hooks are successfully installed,
-  // false otherwise.
-  bool StartHook();
-
-  // Call this to remove the event hooks that are installed by StartHook().
-  void StopHook();
-
-  // The callback invoked in response to an event registered for in StartHook().
-  static VOID CALLBACK WindowCreationHookProc(HWINEVENTHOOK hook,
-                                              DWORD event,
-                                              HWND window,
-                                              LONG object_id,
-                                              LONG child_id,
-                                              DWORD event_tid,
-                                              DWORD event_time);
-
- private:
-  HWINEVENTHOOK window_creation_hook_;
-};
-
-#endif  // CHROME_FRAME_EVENT_HOOKER_H_