Removes Experimental hotword-always-on feature.

ui/app_list/app_list_switches.cc

 // Copyright 2013 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 "ui/app_list/app_list_switches.h"
 
 #include "base/command_line.h"
 
 namespace app_list {
 namespace switches {
 
 // Disables syncing of the app list independent of extensions.
 const char kDisableSyncAppList[] = "disable-sync-app-list";
 
 // If set, the voice search is disabled in app list UI.
 const char kDisableVoiceSearch[] = "disable-app-list-voice-search";
 
 // If set, the app info context menu item is available in the app list UI.
 const char kEnableAppInfo[] = "enable-app-list-app-info";
 
 // If set, the experimental app list will be used.
 const char kEnableExperimentalAppList[] = "enable-experimental-app-list";
 
 // If set, the experimental app list position will be used.
 const char kEnableExperimentalAppListPosition[] =
     "enable-experimental-app-list-position";
 
-// If set, it will always listen to the audio locally and open the app-list
-// when the hotword is recognized.
-const char kEnableHotwordAlwaysOn[] = "enable-app-list-hotword-always-on";
-
 // Enables syncing of the app list independent of extensions.
 const char kEnableSyncAppList[] = "enable-sync-app-list";
 
 bool IsAppListSyncEnabled() {
 #if defined(OS_CHROMEOS)
   return !CommandLine::ForCurrentProcess()->HasSwitch(kDisableSyncAppList);
 #else
   return CommandLine::ForCurrentProcess()->HasSwitch(kEnableSyncAppList);
 #endif
 }
 
 bool IsFolderUIEnabled() {
 #if defined(OS_MACOSX)
   return false;  // Folder UI not implemented for OSX
 #endif
   // Folder UI is available only when AppList sync is enabled, and should
   // not be disabled separately.
   return IsAppListSyncEnabled();
 }
 
 bool IsVoiceSearchEnabled() {
   // Speech recognition in AppList is only for ChromeOS right now.
 #if defined(OS_CHROMEOS)
   return !CommandLine::ForCurrentProcess()->HasSwitch(kDisableVoiceSearch);
 #else
   return false;
 #endif
 }
 
-bool IsHotwordAlwaysOnEnabled() {
-#if defined(OS_CHROMEOS)
-  return IsVoiceSearchEnabled() &&
-      CommandLine::ForCurrentProcess()->HasSwitch(kEnableHotwordAlwaysOn);
-#else
-  return false;
-#endif
-}
-
 bool IsAppInfoEnabled() {
   return CommandLine::ForCurrentProcess()->HasSwitch(kEnableAppInfo);
 }
 
 bool IsExperimentalAppListEnabled() {
   return CommandLine::ForCurrentProcess()->HasSwitch(
       kEnableExperimentalAppList);
 }
 
 bool IsExperimentalAppListPositionEnabled() {
   return CommandLine::ForCurrentProcess()->HasSwitch(
              kEnableExperimentalAppListPosition) ||
          IsExperimentalAppListEnabled();
 }
 
 }  // namespace switches
 }  // namespace app_list