[net] HostResolverImpl + DnsTransaction + DnsConfigService = Asynchronous DNS ready for experiments.

chrome/browser/resources/net_internals/source_entry.js

Index: chrome/browser/resources/net_internals/source_entry.js
diff --git a/chrome/browser/resources/net_internals/source_entry.js b/chrome/browser/resources/net_internals/source_entry.js
index dcab8d0210df3fe5e2868f83047096d6fb26cb73..f4d3ce0b097c97f277134646be78ab6decaf2be9 100644
--- a/chrome/browser/resources/net_internals/source_entry.js
+++ b/chrome/browser/resources/net_internals/source_entry.js
@@ -114,14 +114,15 @@ var SourceEntry = (function() {
         case LogSourceType.UDP_SOCKET:
           if (e.params.address != undefined) {
             this.description_ = e.params.address;
-            // If the parent of |this| is a DNS_TRANSACTION, use
-            // '<DNS Server IP> [<DNS we're resolving>]'.
+            // If the parent of |this| is a HOST_RESOLVER_IMPL_JOB, use
+            // '<DNS Server IP> [<host we're resolving>]'.
             if (this.entries_[0].type == LogEventType.SOCKET_ALIVE &&
                 this.entries_[0].params.source_dependency != undefined) {
               var parentId = this.entries_[0].params.source_dependency.id;
               var parent = g_browser.sourceTracker.getSourceEntry(parentId);
               if (parent &&
-                  parent.getSourceType() == LogSourceType.DNS_TRANSACTION &&
+                  parent.getSourceType() ==
+                      LogSourceType.HOST_RESOLVER_IMPL_JOB &&
                   parent.getDescription().length > 0) {
                 this.description_ += ' [' + parent.getDescription() + ']';
               }