add keyboard overlay entry for taking window screenshot

chrome/browser/resources/chromeos/keyboard_overlay_data.js

 // 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.
 
 // This is a generated file but may contain local modifications. See
 // src/tools/gen_keyboard_overlay_data/gen_keyboard_overlay_data.py --help
 
 var keyboardOverlayData = {
   'inputMethodIdToOverlayId': {
     'xkb:be::fra': 'fr',
@@ skipping 15843 matching lines @@
     'f1<>SEARCH': 'keyboardOverlayBackKeyLabel',
     'f2<>CTRL<>SEARCH': 'keyboardOverlayFocusNextPane',
     'f2<>SEARCH': 'keyboardOverlayForwardKeyLabel',
     'f3<>CTRL<>SEARCH<>SHIFT': 'keyboardOverlayRotateScreen',
     'f3<>SEARCH': 'keyboardOverlayReloadKeyLabel',
     'f4<>ALT<>SEARCH': 'keyboardOverlaySwapPrimaryMonitor',
     'f4<>CTRL<>SEARCH': 'keyboardOverlayMirrorMonitors',
     'f4<>SEARCH': 'keyboardOverlayFullScreenKeyLabel',
     'f5<>CTRL<>SEARCH': 'keyboardOverlayTakeScreenshot',
     'f5<>CTRL<>SEARCH<>SHIFT': 'keyboardOverlayScreenshotRegion',
+    'f5<>ALT<>CTRL<>SEARCH' : 'keyboardOverlayScreenshotWindow',
     'f5<>SEARCH': 'keyboardOverlaySwitchWinKeyLabel',
     'f6<>ALT<>SEARCH': 'keyboardOverlayDecreaseKeyBrightness',
     'f6<>ALT<>CTRL<>SEARCH': 'keyboardOverlayMagnifierDecreaseZoom',
     'f6<>SEARCH': 'keyboardOverlayBrightDownKeyLabel',
     'f7<>ALT<>SEARCH': 'keyboardOverlayIncreaseKeyBrightness',
     'f7<>ALT<>CTRL<>SEARCH': 'keyboardOverlayMagnifierIncreaseZoom',
     'f7<>SEARCH': 'keyboardOverlayBrightUpKeyLabel',
     'f8<>SEARCH': 'keyboardOverlayMuteKeyLabel',
     'f9<>SEARCH': 'keyboardOverlayVolDownKeyLabel',
     'f10<>SEARCH': 'keyboardOverlayVolUpKeyLabel',
@@ skipping 65 matching lines @@
     'vol. down<>SEARCH': 'keyboardOverlayF9',
     'vol. up<>SEARCH': 'keyboardOverlayF10',
     'vol. up<>SEARCH<>SHIFT': 'keyboardOverlayContextMenu',
     'w<>CTRL': 'keyboardOverlayCloseTab',
     'w<>CTRL<>SHIFT': 'keyboardOverlayCloseWindow',
     'x<>CTRL': 'keyboardOverlayCut',
     'z<>ALT<>CTRL': 'keyboardOverlayToggleChromevoxSpokenFeedback',
     'z<>CTRL': 'keyboardOverlayUndo'
   }
 };