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

chrome/browser/ui/browser_commands.h

 // Copyright (c) 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_COMMANDS_H_
 #define CHROME_BROWSER_UI_BROWSER_COMMANDS_H_
 
 #include <string>
 
 #include "build/build_config.h"
@@ skipping 85 matching lines @@
 void ConvertPopupToTabbedBrowser(Browser* browser);
 void Exit();
 void BookmarkCurrentPageIgnoringExtensionOverrides(Browser* browser);
 void BookmarkCurrentPageAllowingExtensionOverrides(Browser* browser);
 bool CanBookmarkCurrentPage(const Browser* browser);
 void BookmarkAllTabs(Browser* browser);
 bool CanBookmarkAllTabs(const Browser* browser);
 void SaveCreditCard(Browser* browser);
 void Translate(Browser* browser);
 void ManagePasswordsForPage(Browser* browser);
-#if defined(OS_WIN)
-void TogglePagePinnedToStartScreen(Browser* browser);
-#endif
 void SavePage(Browser* browser);
 bool CanSavePage(const Browser* browser);
 void ShowFindBar(Browser* browser);
 void ShowWebsiteSettings(Browser* browser,
                          content::WebContents* web_contents,
                          const GURL& url,
                          const SecurityStateModel::SecurityInfo& security_info);
 void Print(Browser* browser);
 bool CanPrint(Browser* browser);
 #if defined(ENABLE_BASIC_PRINTING)
@@ skipping 50 matching lines @@
 void CreateApplicationShortcuts(Browser* browser);
 void CreateBookmarkAppFromCurrentWebContents(Browser* browser);
 bool CanCreateApplicationShortcuts(const Browser* browser);
 bool CanCreateBookmarkApp(const Browser* browser);
 
 void ConvertTabToAppWindow(Browser* browser, content::WebContents* contents);
 
 }  // namespace chrome
 
 #endif  // CHROME_BROWSER_UI_BROWSER_COMMANDS_H_