Remove base/win/metro.{cc|h} and some associated code

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

 // 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_CHROME_NATIVE_APP_WINDOW_VIEWS_WIN_H_
 #define CHROME_BROWSER_UI_VIEWS_APPS_CHROME_NATIVE_APP_WINDOW_VIEWS_WIN_H_
 
 #include "base/macros.h"
 #include "chrome/browser/ui/views/apps/chrome_native_app_window_views_aura.h"
 
 namespace web_app {
 struct ShortcutInfo;
 }
 
 class GlassAppWindowFrameViewWin;
 
 // Windows-specific parts of the views-backed native shell window implementation
 // for packaged apps.
 class ChromeNativeAppWindowViewsWin : public ChromeNativeAppWindowViewsAura {
  public:
   ChromeNativeAppWindowViewsWin();
   ~ChromeNativeAppWindowViewsWin() override;
 
   GlassAppWindowFrameViewWin* glass_frame_view() {
     return glass_frame_view_;
   }
 
  private:
-  void ActivateParentDesktopIfNecessary();
-
   void OnShortcutInfoLoaded(
       const web_app::ShortcutInfo& shortcut_info);
 
   HWND GetNativeAppWindowHWND() const;
   bool IsRunningInAsh();
   void EnsureCaptionStyleSet();
 
   // Overridden from ChromeNativeAppWindowViews:
   void OnBeforeWidgetInit(
       const extensions::AppWindow::CreateParams& create_params,
       views::Widget::InitParams* init_params,
       views::Widget* widget) override;
   void InitializeDefaultWindow(
       const extensions::AppWindow::CreateParams& create_params) override;
   views::NonClientFrameView* CreateStandardDesktopAppFrame() override;
 
-  // Overridden from ui::BaseWindow:
-  void Show() override;
-  void Activate() override;
-
   // Overridden from views::WidgetDelegate:
   bool CanMinimize() const override;
 
   // Populated if there is a glass frame, which provides special information
   // to the native widget implementation. This will be NULL if there is no
   // glass frame. Note, this can change from NULL to non-NULL and back again
   // throughout the life of a window, e.g. if DWM is enabled and disabled.
   GlassAppWindowFrameViewWin* glass_frame_view_;
 
   // The Windows Application User Model ID identifying the app.
   // Not set for windows running inside Ash.
   base::string16 app_model_id_;
 
   // Whether the InitParams indicated that this window should be translucent.
   bool is_translucent_;
 
   base::WeakPtrFactory<ChromeNativeAppWindowViewsWin> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeNativeAppWindowViewsWin);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_APPS_CHROME_NATIVE_APP_WINDOW_VIEWS_WIN_H_