Move sync_internals resources and constants to //components.

chrome/browser/resources/sync_internals/events.css

Index: chrome/browser/resources/sync_internals/events.css
diff --git a/chrome/browser/resources/sync_internals/events.css b/chrome/browser/resources/sync_internals/events.css
deleted file mode 100644
index 415ff5a477fcfe590027d216a8a7ab98de3e8f72..0000000000000000000000000000000000000000
--- a/chrome/browser/resources/sync_internals/events.css
+++ /dev/null
@@ -1,23 +0,0 @@
-/* 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.
- */
-
-#sync-events-table,
-#sync-events-table th,
-#sync-events-table td {
-  border: 1px black solid;
-}
-
-#sync-events-table {
-  table-layout: fixed;
-  width: 100%;
-}
-
-#sync-events > tr {
-  vertical-align: top;
-}
-
-.expanded .attrib-column {
-  display: none;
-}