Add chrome://quota-internals/ resources

chrome/browser/resources/quota_internals/main.css

Index: chrome/browser/resources/quota_internals/main.css
diff --git a/chrome/browser/resources/quota_internals/main.css b/chrome/browser/resources/quota_internals/main.css
new file mode 100644
index 0000000000000000000000000000000000000000..575340613f940158e5809e926bbe0c7682cb5592
--- /dev/null
+++ b/chrome/browser/resources/quota_internals/main.css
@@ -0,0 +1,25 @@
+/*
+Copyright (c) 2011 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.
+*/
+
+th, td {
+  padding-left: 0.5em;
+  padding-right: 0.5em;
+  text-align: center;
+}
+
+#tree-view-container {
+  float: left;
+  min-width: 15em;
+  width: 20%;
+}
+
+tr:nth-child(odd) {
+  background: #eeeeff;
+}
+
+.tree-item:not([may-have-children]) > .tree-row > .tree-label {
+  background-image: url("../shared/images/icon_file.png");
+}