Remove single-window-metro-mode code paths for the app launcher and apps.

chrome/browser/ui/apps/app_metro_infobar_delegate_win.h

-// Copyright 2013 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_APPS_APP_METRO_INFOBAR_DELEGATE_WIN_H_
-#define CHROME_BROWSER_UI_APPS_APP_METRO_INFOBAR_DELEGATE_WIN_H_
-
-#include <string>
-
-#include "chrome/browser/infobars/confirm_infobar_delegate.h"
-
-class InfoBarService;
-class Profile;
-
-// This infobar operates by opening a new tab on about:blank, showing an
-// infobar offering to relaunch the browser in metro mode, and then relaunching
-// in Desktop mode if confirmed.
-class AppMetroInfoBarDelegateWin : public ConfirmInfoBarDelegate {
- public:
-  enum Mode {
-    SHOW_APP_LIST,
-    LAUNCH_PACKAGED_APP
-  };
-
-  // Creates an app metro infobar and delegate, adds the infobar to a new
-  // browser tab, then activates Metro mode.
-  static void Create(Profile* profile,
-                     Mode mode,
-                     const std::string& extension_id);
-
- private:
-  AppMetroInfoBarDelegateWin(Mode mode, const std::string& extension_id);
-  virtual ~AppMetroInfoBarDelegateWin();
-
-  // ConfirmInfoBarDelegate overrides:
-  virtual int GetIconID() const OVERRIDE;
-  virtual base::string16 GetMessageText() const OVERRIDE;
-  virtual base::string16 GetButtonLabel(InfoBarButton button) const OVERRIDE;
-  virtual bool Accept() OVERRIDE;
-  virtual bool Cancel() OVERRIDE;
-  virtual base::string16 GetLinkText() const OVERRIDE;
-  virtual bool LinkClicked(WindowOpenDisposition disposition) OVERRIDE;
-
-  Mode mode_;
-  std::string extension_id_;
-
-  DISALLOW_COPY_AND_ASSIGN(AppMetroInfoBarDelegateWin);
-};
-
-#endif  // CHROME_BROWSER_UI_APPS_APP_METRO_INFOBAR_DELEGATE_WIN_H_