Remove "API proposal for chrome.app.window to intercept all keys."

chrome/browser/ui/views/apps/keyboard_hook_handler.h

Index: chrome/browser/ui/views/apps/keyboard_hook_handler.h
diff --git a/chrome/browser/ui/views/apps/keyboard_hook_handler.h b/chrome/browser/ui/views/apps/keyboard_hook_handler.h
deleted file mode 100644
index a1412c01627e37a9ed4f21826492a98f5ff01075..0000000000000000000000000000000000000000
--- a/chrome/browser/ui/views/apps/keyboard_hook_handler.h
+++ /dev/null
@@ -1,23 +0,0 @@
-// Copyright 2014 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_BROWSER_UI_VIEWS_APPS_KEYBOARD_HOOK_HANDLER_H_
-#define CHROME_BROWSER_UI_VIEWS_APPS_KEYBOARD_HOOK_HANDLER_H_
-
-#include "ui/views/widget/widget.h"
-
-// Interface to control keyboard hook on different platform.
-class KeyboardHookHandler {
- public:
-  // Request all keyboard events to be routed to the given window.
-  void Register(views::Widget* widget);
-
-  // Release the request for all keyboard events.
-  void Deregister(views::Widget* widget);
-
-  // Implemented in platform specific code.
-  static KeyboardHookHandler* GetInstance();
-};
-
-#endif  // CHROME_BROWSER_UI_VIEWS_APPS_KEYBOARD_HOOK_HANDLER_H_