Allow secondary tiles to be unpinned.

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 "chrome/browser/debugger/devtools_toggle_action.h"
@@ skipping 72 matching lines @@
 void DuplicateTab(Browser* browser);
 bool CanDuplicateTab(const Browser* browser);
 void DuplicateTabAt(Browser* browser, int index);
 bool CanDuplicateTabAt(Browser* browser, int index);
 void ConvertPopupToTabbedBrowser(Browser* browser);
 void Exit();
 void BookmarkCurrentPage(Browser* browser);
 bool CanBookmarkCurrentPage(const Browser* browser);
 void BookmarkAllTabs(Browser* browser);
 bool CanBookmarkAllTabs(const Browser* browser);
-void PinCurrentPageToStartScreen(Browser* browser);
+void TogglePagePinnedToStartScreen(Browser* browser);
 void SavePage(Browser* browser);
 bool CanSavePage(const Browser* browser);
 void ShowFindBar(Browser* browser);
 void ShowPageInfo(Browser* browser,
                   content::WebContents* web_contents,
                   const GURL& url,
                   const content::SSLStatus& ssl,
                   bool show_history);
 void ShowChromeToMobileBubble(Browser* browser);
 void Print(Browser* browser);
@@ skipping 44 matching lines @@
 bool CanViewSource(const Browser* browser);
 
 void CreateApplicationShortcuts(Browser* browser);
 bool CanCreateApplicationShortcuts(const Browser* browser);
 
 void ConvertTabToAppWindow(Browser* browser, content::WebContents* contents);
 
 }  // namespace chrome
 
 #endif  // CHROME_BROWSER_UI_BROWSER_COMMANDS_H_