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

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

Index: chrome/browser/ui/views/apps/desktop_keyboard_capture.h
diff --git a/chrome/browser/ui/views/apps/desktop_keyboard_capture.h b/chrome/browser/ui/views/apps/desktop_keyboard_capture.h
deleted file mode 100644
index 3055d55aec93de3594a04609188db96828678cf1..0000000000000000000000000000000000000000
--- a/chrome/browser/ui/views/apps/desktop_keyboard_capture.h
+++ /dev/null
@@ -1,34 +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_DESKTOP_KEYBOARD_CAPTURE_H_
-#define CHROME_BROWSER_UI_VIEWS_APPS_DESKTOP_KEYBOARD_CAPTURE_H_
-
-#include "ui/views/widget/widget.h"
-#include "ui/views/widget/widget_observer.h"
-
-// This class installs/uninstalls keyboard hook as the widget activation
-// changes.
-class DesktopKeyboardCapture : public views::WidgetObserver {
- public:
-  explicit DesktopKeyboardCapture(views::Widget* widget);
-  ~DesktopKeyboardCapture() override;
-
- private:
-  // views::WidgetObserver implementation.
-  void OnWidgetActivationChanged(views::Widget* widget, bool active) override;
-
-  void RegisterKeyboardHooks();
-  void DeregisterKeyboardHooks();
-
-  // The widget registering for keyboard intercept. Weak reference.
-  views::Widget* widget_;
-
-  // Current state of keyboard intercept registration.
-  bool is_registered_;
-
-  DISALLOW_COPY_AND_ASSIGN(DesktopKeyboardCapture);
-};
-
-#endif  // CHROME_BROWSER_UI_VIEWS_APPS_DESKTOP_KEYBOARD_CAPTURE_H_