First pass at adding http/backend cache to NetLog

chrome/browser/resources/net_internals/sourceentry.js

 // Copyright (c) 2010 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.
 
 /**
  * Each row in the filtered items list is backed by a SourceEntry. This
  * instance contains all of the data pertaining to that row, and notifies
  * its parent view (the EventsView) whenever its data changes.
  *
  * @constructor
@@ skipping 214 matching lines @@
     case LogSourceType.SOCKET_STREAM:
       description = e.params.url;
       break;
     case LogSourceType.CONNECT_JOB:
       description = e.params.group_name;
       break;
     case LogSourceType.HOST_RESOLVER_IMPL_REQUEST:
     case LogSourceType.HOST_RESOLVER_IMPL_JOB:
       description = e.params.host;
       break;
+    case LogSourceType.DISK_CACHE_ENTRY:
+      description = e.params.key;
+      break;
     case LogSourceType.SPDY_SESSION:
       if (e.params.host)
         description = e.params.host + ' (' + e.params.proxy + ')';
       break;
     case LogSourceType.SOCKET:
       if (e.params.source_dependency != undefined) {
         var connectJobSourceEntry =
             this.parentView_.getSourceEntry(e.params.source_dependency.id);
         if (connectJobSourceEntry)
           description = connectJobSourceEntry.getDescription();
@@ skipping 123 matching lines @@
     this.row_.parentNode.insertBefore(this.row_, entry.row_.nextSibling);
   }
 };
 
 SourceEntry.prototype.remove = function() {
   this.setSelected(false);
   this.setIsMatchedByFilter(false);
   this.row_.parentNode.removeChild(this.row_);
 };