Delete old SmartDeploy UI.

BUG=447642, 444669

Review URL: https://codereview.chromium.org/850573004

Cr-Commit-Position: refs/heads/master@{#311307}

ash/ash.gyp

@@ -336,9 +336,6 @@
       'system/chromeos/tray_display.h',
       'system/chromeos/tray_tracing.cc',
       'system/chromeos/tray_tracing.h',
-      'system/chromeos/virtual_keyboard/tray_keyboard_lock.cc',
-      'system/chromeos/virtual_keyboard/tray_keyboard_lock.h',
-      'system/chromeos/virtual_keyboard/tray_keyboard_lock_unittest.h',
       'system/chromeos/virtual_keyboard/virtual_keyboard_tray.cc',
       'system/chromeos/virtual_keyboard/virtual_keyboard_tray.h',
       'system/chromeos/virtual_keyboard/virtual_keyboard_observer.h',
@@ -809,7 +806,6 @@
       'system/chromeos/session/tray_session_length_limit_unittest.cc',
       'system/chromeos/supervised/tray_supervised_user_unittest.cc',
       'system/chromeos/tray_display_unittest.cc',
-      'system/chromeos/virtual_keyboard/tray_keyboard_lock_unittest.cc',
       'system/date/date_view_unittest.cc',
       'system/overview/overview_button_tray_unittest.cc',
       'system/tray/media_security/multi_profile_media_tray_item_unittest.cc',

ash/system/tray/system_tray.cc

@@ -59,7 +59,6 @@
 #include "ash/system/chromeos/tray_caps_lock.h"
 #include "ash/system/chromeos/tray_display.h"
 #include "ash/system/chromeos/tray_tracing.h"
-#include "ash/system/chromeos/virtual_keyboard/tray_keyboard_lock.h"
 #include "ash/system/tray/media_security/multi_profile_media_tray_item.h"
 #include "ui/message_center/message_center.h"
 #elif defined(OS_WIN)
@@ -187,7 +186,6 @@ void SystemTray::CreateItems(SystemTrayDelegate* delegate) {
   AddTrayItem(screen_capture_tray_item_);
   screen_share_tray_item_ = new ScreenShareTrayItem(this);
   AddTrayItem(screen_share_tray_item_);
-  AddTrayItem(new TrayKeyboardLock(this));
   AddTrayItem(new MultiProfileMediaTrayItem(this));
   AddTrayItem(new TrayAudioChromeOs(this));
   AddTrayItem(new TrayBrightness(this));