[Blink-in-JS] 'Import' function to load sub-modules and other resources for private scripts (Part-1)

Source/core/xml/DocumentXMLTreeViewer.css

+/* Copyright 2014 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.
+ */
+
+div.header {
+    border-bottom: 2px solid black;
+    padding-bottom: 5px;
+    margin: 10px;
+}
+
+div.collapsible > div.hidden {
+    display:none;
+}
+
+.pretty-print {
+    margin-top: 1em;
+    margin-left: 20px;
+    font-family: monospace;
+    font-size: 13px;
+}
+
+#webkit-xml-viewer-source-xml {
+    display: none;
+}
+
+.collapsible-content {
+    margin-left: 1em;
+}
+.comment {
+    white-space: pre;
+}
+
+.button {
+    -webkit-user-select: none;
+    cursor: pointer;
+    display: inline-block;
+    margin-left: -10px;
+    width: 10px;
+    background-repeat: no-repeat;
+    background-position: left top;
+    vertical-align: bottom;
+}
+
+.collapse-button {
+    background-image: -webkit-canvas(arrowDown);
+    height: 10px;
+}
+
+.expand-button {
+    background-image: -webkit-canvas(arrowRight);
+    height: 11px;
+}