Adding a menu item to take a screenshot under "More Tools" submenu in the Wrench menu.

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/devtools/devtools_toggle_action.h"
@@ skipping 114 matching lines @@
 void FocusLocationBar(Browser* browser);
 void FocusSearch(Browser* browser);
 void FocusAppMenu(Browser* browser);
 void FocusBookmarksToolbar(Browser* browser);
 void FocusInfobars(Browser* browser);
 void FocusNextPane(Browser* browser);
 void FocusPreviousPane(Browser* browser);
 void ToggleDevToolsWindow(Browser* browser, DevToolsToggleAction action);
 bool CanOpenTaskManager();
 void OpenTaskManager(Browser* browser);
+void TakeScreenshot();
 void OpenFeedbackDialog(Browser* browser);
 void ToggleBookmarkBar(Browser* browser);
 void ShowAppMenu(Browser* browser);
 void ShowAvatarMenu(Browser* browser);
 void OpenUpdateChromeDialog(Browser* browser);
 void ToggleSpeechInput(Browser* browser);
 bool CanRequestTabletSite(content::WebContents* current_tab);
 bool IsRequestingTabletSite(Browser* browser);
 void ToggleRequestTabletSite(Browser* browser);
 void ToggleFullscreenMode(Browser* browser);
@@ skipping 14 matching lines @@
 
 void CreateApplicationShortcuts(Browser* browser);
 void CreateHostedAppFromCurrentWebContents(Browser* browser);
 bool CanCreateApplicationShortcuts(const Browser* browser);
 
 void ConvertTabToAppWindow(Browser* browser, content::WebContents* contents);
 
 }  // namespace chrome
 
 #endif  // CHROME_BROWSER_UI_BROWSER_COMMANDS_H_