[DevTools] Turn WebInspector.Panel into a web component.

third_party/WebKit/Source/devtools/front_end/resources/resourcesPanel.css

 /*
  * Copyright (C) 2006, 2007, 2008 Apple Inc.  All rights reserved.
  * Copyright (C) 2009 Anthony Ricaud <rik@webkit.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 24 matching lines @@
 li.selected .base-storage-tree-element-subtitle {
     color: white;
 }
 
 .base-storage-tree-element-subtitle {
     padding-left: 2px;
     color: rgb(80, 80, 80);
     text-shadow: none;
 }
 
-.resources.panel .status {
+.panel .status {
     float: right;
     height: 16px;
     margin-top: 1px;
     margin-left: 4px;
     line-height: 1em;
 }
 
 .storage-view {
     display: flex;
     overflow: hidden;
@@ skipping 116 matching lines @@
     left: 3px;
     right: 3px;
     max-width: 8px;
     max-height: 11px;
     overflow: hidden;
 }
 
 .resources-sidebar {
     padding: 0;
 }