Refactor kiosk app launch to be part of login screen UI flow.

chrome/browser/resources/chromeos/app_launch/app_launch.css

Index: chrome/browser/resources/chromeos/app_launch/app_launch.css
diff --git a/chrome/browser/resources/chromeos/app_launch/app_launch.css b/chrome/browser/resources/chromeos/app_launch/app_launch.css
deleted file mode 100644
index 92a6b0d662cb050092390016e47bddd7a56090df..0000000000000000000000000000000000000000
--- a/chrome/browser/resources/chromeos/app_launch/app_launch.css
+++ /dev/null
@@ -1,66 +0,0 @@
-/* Copyright (c) 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.
- */
-
-html,
-body {
-  height: 100%;
-  margin: 0;
-  overflow: hidden;
-  padding: 0;
-  width: 100%;
-}
-
-#page {
-  -webkit-box-align: center;
-  -webkit-box-pack: center;
-  /* Delay the login screen for 2 seconds then fade it in. */
-  -webkit-transition: opacity 1s;
-  background: white;
-  display: -webkit-box;
-  height: 100%;
-  opacity: 0;
-  position: absolute;
-  width: 100%;
-}
-
-#content {
-  -webkit-box-align: center;
-  -webkit-box-orient: vertical;
-  -webkit-box-pack: center;
-  display: -webkit-box;
-  position: relative;
-}
-
-#header {
-  -webkit-padding-start: 108px;
-  background: left center no-repeat;
-  background-size: 96px;
-  color: #666;
-  display: -webkit-box;
-  font-size: 48px;
-  height: 96px;
-  line-height: 96px;
-}
-
-#launch-text {
-  color: #666;
-  font-size: 18px;
-  padding-bottom: 50px;
-  padding-top: 50px;
-}
-
-#spinner {
-  height: 32px;
-  width: 32px;
-}
-
-#shortcut-info {
-  bottom: 50px;
-  color: gray;
-  left: 0;
-  position: absolute;
-  right: 0;
-  text-align: center;
-}