Remove setVoiceSearchSupported part of EmbeddedSearch SearchBox API.

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 15758 matching lines @@
     '+<>ALT': 'keyboardOverlayMaximizeWindow',
     '+<>ALT<>SHIFT': 'keyboardOverlayCenterWindow',
     '+<>CTRL': 'keyboardOverlayZoomIn',
     '+<>CTRL<>SHIFT': 'keyboardOverlayZoomScreenIn',
     ',<>ALT<>CTRL': 'keyboardOverlayPreviousUser',
     '-<>ALT': 'keyboardOverlayMinimizeWindow',
     '-<>CTRL': 'keyboardOverlayZoomOut',
     '-<>CTRL<>SHIFT': 'keyboardOverlayZoomScreenOut',
     '-<>SEARCH': 'keyboardOverlayF11',
     '.<>ALT<>CTRL': 'keyboardOverlayNextUser',
-    '.<>CTRL<>SHIFT': 'keyboardOverlayToggleSpeechInput',
     '.<>SEARCH': 'keyboardOverlayInsert',
     '/<>ALT<>CTRL': 'keyboardOverlayViewKeyboardOverlay',
     '/<>ALT<>CTRL<>SHIFT': 'keyboardOverlayViewKeyboardOverlay',
     '/<>CTRL': 'keyboardOverlayHelp',
     '/<>CTRL<>SHIFT': 'keyboardOverlayHelp',
     '0<>CTRL': 'keyboardOverlayResetZoom',
     '0<>CTRL<>SHIFT': 'keyboardOverlayResetScreenZoom',
     '0<>SEARCH': 'keyboardOverlayF10',
     '1<>ALT': 'keyboardOverlayActivateShelfItem1',
     '1<>CTRL': 'keyboardOverlayActivateTab1',
@@ skipping 125 matching lines @@
     'v<>CTRL<>SHIFT': 'keyboardOverlayPasteAsPlainText',
     'vol. down<>SEARCH': 'keyboardOverlayF9',
     'vol. up<>SEARCH': 'keyboardOverlayF10',
     'w<>CTRL': 'keyboardOverlayCloseTab',
     'w<>CTRL<>SHIFT': 'keyboardOverlayCloseWindow',
     'x<>CTRL': 'keyboardOverlayCut',
     'z<>ALT<>CTRL': 'keyboardOverlayToggleChromevoxSpokenFeedback',
     'z<>CTRL': 'keyboardOverlayUndo'
   }
 };