Remove Chrome Frame code and resources.

chrome_frame/registry_watcher.h

Index: chrome_frame/registry_watcher.h
diff --git a/chrome_frame/registry_watcher.h b/chrome_frame/registry_watcher.h
deleted file mode 100644
index bb72e8278d2b73eb5759dfe0f9c8c3edf649a1ff..0000000000000000000000000000000000000000
--- a/chrome_frame/registry_watcher.h
+++ /dev/null
@@ -1,36 +0,0 @@
-// 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.
-//
-// A utility class that makes it easy to register for registry change
-// notifications.
-//
-
-#ifndef CHROME_FRAME_REGISTRY_WATCHER_H_
-#define CHROME_FRAME_REGISTRY_WATCHER_H_
-
-#include <windows.h>
-
-class RegistryWatcher {
- public:
-  typedef void (*NotifyFunc)();
-  RegistryWatcher(HKEY hive, const wchar_t* path, NotifyFunc callback);
-  ~RegistryWatcher();
-
-  bool StartWatching();
-  void StopWatching();
-
- private:
-  static void CALLBACK WaitCallback(void* param, BOOLEAN wait_fired);
-
-  HKEY registry_key_;
-
-  HANDLE wait_event_;
-  HANDLE wait_handle_;
-  bool stopping_;
-
-  NotifyFunc callback_;
-};
-
-
-#endif  // CHROME_FRAME_REGISTRY_WATCHER_H_