[ServiceWorker] Cache inspector out from flag, style & icon changes

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 306 matching lines @@
 }
 
 .indexed-db-object-store-storage-tree-item .icon {
     content: url(Images/indexedDBObjectStore.png);
 }
 
 .indexed-db-index-storage-tree-item .icon {
     content: url(Images/indexedDBIndex.png);
 }
 
+.service-worker-cache-tree-item .icon {
+    content: url(Images/indexedDBObjectStore.png);
+}
+
+.service-worker-cache-storage-tree-item .icon {
+    content: url(Images/indexedDB.png);
+}
+
 .domstorage-storage-tree-item.local-storage .icon {
     content: url(Images/localStorage.png);
 }
 
 .domstorage-storage-tree-item.session-storage .icon {
     content: url(Images/sessionStorage.png);
 }
 
 .cookie-storage-tree-item .icon {
     content: url(Images/cookie.png);
@@ skipping 11 matching lines @@
 .storage-application-cache-connectivity-icon {
     margin: 0 5px;
 }
 
 .storage-application-cache-connectivity {
     padding-right: 5px;
     border-right: 1px solid #CCC;
     height: 23px;
     line-height: 23px
 }