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

chrome/browser/ui/browser_window.h

 // Copyright 2012 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_BROWSER_WINDOW_H_
 #define CHROME_BROWSER_UI_BROWSER_WINDOW_H_
 
 #include "base/callback_forward.h"
 #include "build/build_config.h"
 #include "chrome/browser/lifetime/browser_close_manager.h"
@@ skipping 342 matching lines @@
   virtual void UpdatePreferredSize(content::WebContents* web_contents,
                                    const gfx::Size& pref_size) {}
 
   // Invoked when the contents auto-resized and the container should match it.
   virtual void ResizeDueToAutoResize(content::WebContents* web_contents,
                                      const gfx::Size& new_size) {}
 
   // Construct a BrowserWindow implementation for the specified |browser|.
   static BrowserWindow* CreateBrowserWindow(Browser* browser);
 
-  // Returns a HostDesktopType that is compatible with the current Chrome window
-  // configuration. On Windows with Ash, this is always HOST_DESKTOP_TYPE_ASH
-  // while Chrome is running in Metro mode. Otherwise returns |desktop_type|.
-  static chrome::HostDesktopType AdjustHostDesktopType(
-      chrome::HostDesktopType desktop_type);
-
   // Shows the avatar bubble on the window frame off of the avatar button with
   // the given mode. The Service Type specified by GAIA is provided as well.
   // |access_point| indicates the access point used to open the Gaia sign in
   // page.
   enum AvatarBubbleMode {
     AVATAR_BUBBLE_MODE_DEFAULT,
     AVATAR_BUBBLE_MODE_ACCOUNT_MANAGEMENT,
     AVATAR_BUBBLE_MODE_SIGNIN,
     AVATAR_BUBBLE_MODE_ADD_ACCOUNT,
     AVATAR_BUBBLE_MODE_REAUTH,
@@ skipping 29 matching lines @@
   // Returns object implementing ExclusiveAccessContext interface.
   virtual ExclusiveAccessContext* GetExclusiveAccessContext() = 0;
 
  protected:
   friend class BrowserCloseManager;
   friend class BrowserView;
   virtual void DestroyBrowser() = 0;
 };
 
 #endif  // CHROME_BROWSER_UI_BROWSER_WINDOW_H_