Deprecate Alt+Shift+K and replace it by Search+Shift+K

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 15858 matching lines @@
     'full screen<>SEARCH': 'keyboardOverlayF4',
     'g<>CTRL': 'keyboardOverlayFindTextAgain',
     'g<>CTRL<>SHIFT': 'keyboardOverlayFindPreviousText',
     'h<>CTRL': 'keyboardOverlayHistory',
     'h<>SEARCH<>SHIFT': 'keyboardOverlayToggleHighContrastMode',
     'i<>ALT<>SHIFT': 'keyboardOverlayReportIssue',
     'i<>CTRL<>SHIFT': 'keyboardOverlayDeveloperTools',
     'j<>CTRL': 'keyboardOverlayDownloads',
     'j<>CTRL<>SHIFT': 'keyboardOverlayJavascriptConsole',
     'k<>CTRL': 'keyboardOverlayFocusAddressBarInSearchMode',
+    'k<>SEARCH<>SHIFT': 'keyboardOverlayShowImeBubble',
     'l<>ALT<>SHIFT': 'keyboardOverlayFocusShelf',
     'l<>CTRL': 'keyboardOverlayFocusAddressBar',
     'l<>SEARCH': 'keyboardOverlayLockScreen',
     'l<>SEARCH<>SHIFT': 'keyboardOverlaySuspend',
     'left<>ALT': 'keyboardOverlayGoBack',
     'left<>CTRL': 'keyboardOverlayPreviousWord',
     'left<>CTRL<>SHIFT': 'keyboardOverlaySelectWordAtATime',
     'left<>SEARCH': 'keyboardOverlayHome',
     'm<>ALT<>SHIFT': 'keyboardOverlayOpenFileManager',
     'mute<>SEARCH': 'keyboardOverlayF8',
@@ skipping 41 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'
   }
 };