Added NetLog statements for Canonical name lookup.

net/http/http_network_transaction.cc

 // 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.
 
 #include "net/http/http_network_transaction.h"
 
 #include "base/compiler_specific.h"
 #include "base/field_trial.h"
 #include "base/format_macros.h"
 #include "base/histogram.h"
@@ skipping 565 matching lines @@
         TRACE_EVENT_BEGIN("http.read_headers", request_, request_->url.spec());
         net_log_.BeginEvent(NetLog::TYPE_HTTP_TRANSACTION_READ_HEADERS);
         rv = DoReadHeaders();
         break;
       case STATE_READ_HEADERS_COMPLETE:
         rv = DoReadHeadersComplete(rv);
         TRACE_EVENT_END("http.read_headers", request_, request_->url.spec());
         net_log_.EndEvent(NetLog::TYPE_HTTP_TRANSACTION_READ_HEADERS);
         break;
       case STATE_RESOLVE_CANONICAL_NAME:
+        DCHECK_EQ(OK, rv);
+        net_log_.BeginEvent(
+            NetLog::TYPE_HTTP_TRANSACTION_RESOLVE_CANONICAL_NAME);
         rv = DoResolveCanonicalName();
         break;
       case STATE_RESOLVE_CANONICAL_NAME_COMPLETE:
         rv = DoResolveCanonicalNameComplete(rv);
+        net_log_.EndEvent(NetLog::TYPE_HTTP_TRANSACTION_RESOLVE_CANONICAL_NAME);
         break;
       case STATE_READ_BODY:
         DCHECK_EQ(OK, rv);
         TRACE_EVENT_BEGIN("http.read_body", request_, request_->url.spec());
         net_log_.BeginEvent(NetLog::TYPE_HTTP_TRANSACTION_READ_BODY);
         rv = DoReadBody();
         break;
       case STATE_READ_BODY_COMPLETE:
         rv = DoReadBodyComplete(rv);
         TRACE_EVENT_END("http.read_body", request_, request_->url.spec());
@@ skipping 1368 matching lines @@
       http_host_port_pair);
 
   alternate_protocol_mode_ = kDoNotUseAlternateProtocol;
   if (connection_->socket())
     connection_->socket()->Disconnect();
   connection_->Reset();
   next_state_ = STATE_INIT_CONNECTION;
 }
 
 }  // namespace net