Adds HostResolveImpl Requests and Jobs to log.

chrome/browser/resources/net_internals/sourceentry.js

Index: chrome/browser/resources/net_internals/sourceentry.js
===================================================================
--- chrome/browser/resources/net_internals/sourceentry.js	(revision 57182)
+++ chrome/browser/resources/net_internals/sourceentry.js	(working copy)
@@ -67,8 +67,11 @@
   var curStartEntry = this.getStartEntry_();
 
   // If we just got the first entry for this source.
-  if (!prevStartEntry && curStartEntry) {
-    this.createRow_();
+  if (prevStartEntry != curStartEntry) {
+    if (!prevStartEntry)
+      this.createRow_();
+    else
+      this.updateDescription_();
 
     // Only apply the filter during the first update.
     // TODO(eroman): once filters use other data, apply it on each update.
@@ -116,6 +119,11 @@
   this.setMouseoverStyle(false);
 };
 
+SourceEntry.prototype.updateDescription_ = function() {
+  this.descriptionCell_.innerHTML = '';
+  addTextNode(this.descriptionCell_, this.getDescription());
+}
+
 SourceEntry.prototype.createRow_ = function() {
   // Create a row.
   var tr = addNode(this.parentView_.tableBody_, 'tr');
@@ -131,6 +139,7 @@
 
   var typeCell = addNode(tr, 'td');
   var descriptionCell = addNode(tr, 'td');
+  this.descriptionCell_ = descriptionCell;
 
   // Connect listeners.
   checkbox.onchange = this.onCheckboxToggled_.bind(this);
@@ -150,7 +159,7 @@
     addTextNode(idCell, "-");
   var sourceTypeString = this.getSourceTypeString();
   addTextNode(typeCell, sourceTypeString);
-  addTextNode(descriptionCell, this.getDescription());
+  this.updateDescription_();
 
   // Add a CSS classname specific to this source type (so CSS can specify
   // different stylings for different types).
@@ -182,6 +191,9 @@
       return e.params.url;
     case LogSourceType.CONNECT_JOB:
       return e.params.group_name;
+    case LogSourceType.HOST_RESOLVER_IMPL_REQUEST:
+    case LogSourceType.HOST_RESOLVER_IMPL_JOB:
+      return e.params.host;
   }
 
   return '';
@@ -196,11 +208,12 @@
 SourceEntry.prototype.getStartEntry_ = function() {
   if (this.entries_.length < 1)
     return undefined;
-  if (this.entries_[0].type != LogEventType.REQUEST_ALIVE)
-    return this.entries_[0];
-  if (this.entries_.length < 2)
-    return undefined;
-  return this.entries_[1];
+  if (this.entries_.length >= 2) {
+    if (this.entries_[0].type == LogEventType.REQUEST_ALIVE ||
+        this.entries_[0].type == LogEventType.SOCKET_POOL_CONNECT_JOB)
+      return this.entries_[1];
+  }
+  return this.entries_[0];
 };
 
 SourceEntry.prototype.getLogEntries = function() {