Take screenshot of active window

chrome/browser/ui/webui/chromeos/keyboard_overlay_ui.cc

 // 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.
 
 #include "chrome/browser/ui/webui/chromeos/keyboard_overlay_ui.h"
 
 #include <stddef.h>
 
 #include "ash/display/display_manager.h"
 #include "ash/shell.h"
@@ skipping 215 matching lines @@
     IDS_KEYBOARD_OVERLAY_RELOAD_BYPASSING_CACHE },
   { "keyboardOverlayReopenLastClosedTab",
     IDS_KEYBOARD_OVERLAY_REOPEN_LAST_CLOSED_TAB },
   { "keyboardOverlayReportIssue", IDS_KEYBOARD_OVERLAY_REPORT_ISSUE },
   { "keyboardOverlayResetScreenZoom", IDS_KEYBOARD_OVERLAY_RESET_SCREEN_ZOOM },
   { "keyboardOverlayResetZoom", IDS_KEYBOARD_OVERLAY_RESET_ZOOM },
   { "keyboardOverlayRotateScreen", IDS_KEYBOARD_OVERLAY_ROTATE_SCREEN },
   { "keyboardOverlaySave", IDS_KEYBOARD_OVERLAY_SAVE },
   { "keyboardOverlayScreenshotRegion",
     IDS_KEYBOARD_OVERLAY_SCREENSHOT_REGION },
+  { "keyboardOverlayScreenshotWindow",
+    IDS_KEYBOARD_OVERLAY_SCREENSHOT_WINDOW },
   { "keyboardOverlayScrollUpOnePage",
     IDS_KEYBOARD_OVERLAY_SCROLL_UP_ONE_PAGE },
   { "keyboardOverlaySelectAll", IDS_KEYBOARD_OVERLAY_SELECT_ALL },
   { "keyboardOverlaySelectPreviousInputMethod",
     IDS_KEYBOARD_OVERLAY_SELECT_PREVIOUS_INPUT_METHOD },
   { "keyboardOverlaySelectWordAtATime",
     IDS_KEYBOARD_OVERLAY_SELECT_WORD_AT_A_TIME },
   { "keyboardOverlayShowMessageCenter",
     IDS_KEYBOARD_OVERLAY_SHOW_MESSAGE_CENTER },
   { "keyboardOverlayShowStatusMenu", IDS_KEYBOARD_OVERLAY_SHOW_STATUS_MENU },
@@ skipping 159 matching lines @@
 
 KeyboardOverlayUI::KeyboardOverlayUI(content::WebUI* web_ui)
     : WebDialogUI(web_ui) {
   Profile* profile = Profile::FromWebUI(web_ui);
   KeyboardOverlayHandler* handler = new KeyboardOverlayHandler(profile);
   web_ui->AddMessageHandler(handler);
 
   // Set up the chrome://keyboardoverlay/ source.
   content::WebUIDataSource::Add(profile, CreateKeyboardOverlayUIHTMLSource());
 }