Add native permissions dialog for apps_devtools app.

chrome/browser/resources/apps_debugger/css/permissions_overlay.css

Index: chrome/browser/resources/apps_debugger/css/permissions_overlay.css
diff --git a/chrome/browser/resources/apps_debugger/css/permissions_overlay.css b/chrome/browser/resources/apps_debugger/css/permissions_overlay.css
deleted file mode 100644
index 99048c9dd4b9b16d9e3f2f2d2f4816f77511f68f..0000000000000000000000000000000000000000
--- a/chrome/browser/resources/apps_debugger/css/permissions_overlay.css
+++ /dev/null
@@ -1,30 +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. */
-
-#permissions-item-heading {
-  font-weight: bold;
-  padding-bottom: 5px;
-}
-
-.permissions-table {
-  width: 100%;
-}
-
-.permissions-column {
-  width: 75%;
-}
-
-#permissions-icon {
-  /* Set in ItemsList.createNode_(). */
-  background-repeat: no-repeat;
-  background-size: contain;
-  float: end;
-  min-height: 75px;
-  min-width: 75px;
-}
-
-#permissions-close {
-  float: end;
-  margin: 10px;
-}