Remove disable-app-list-voice-search flag.

ui/app_list/app_list_switches.cc

Index: ui/app_list/app_list_switches.cc
diff --git a/ui/app_list/app_list_switches.cc b/ui/app_list/app_list_switches.cc
index 4e9ebf3059f96d55a969a117aff81925537fb343..d0c77d276fe08e0e0d88ee7bc49aa5639d5ee8cd 100644
--- a/ui/app_list/app_list_switches.cc
+++ b/ui/app_list/app_list_switches.cc
@@ -15,9 +15,6 @@ const char kDisableAppInfo[] = "disable-app-list-app-info";
 // 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 list will be centered and wide instead of tall.
 const char kEnableCenteredAppList[] = "enable-centered-app-list";
 
@@ -51,7 +48,7 @@ bool IsFolderUIEnabled() {
 bool IsVoiceSearchEnabled() {
   // Speech recognition in AppList is only for ChromeOS right now.
 #if defined(OS_CHROMEOS)
-  return !CommandLine::ForCurrentProcess()->HasSwitch(kDisableVoiceSearch);
+  return true;
 #else
   return false;
 #endif