First pass at adding http/backend cache to NetLog

net/base/net_log.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/base/net_log.h"
+
 #include "base/logging.h"
 #include "base/string_number_conversions.h"
 #include "base/time.h"
 #include "base/utf_string_conversions.h"
 #include "base/values.h"
+#include "net/base/net_errors.h"
 
 namespace net {
 
 Value* NetLog::Source::ToValue() const {
   DictionaryValue* dict = new DictionaryValue();
   dict->SetInteger("type", static_cast<int>(type));
   dict->SetInteger("id", static_cast<int>(id));
   return dict;
 }
 
@@ skipping 129 matching lines @@
     const scoped_refptr<NetLog::EventParameters>& params) const {
   AddEntry(event_type, NetLog::PHASE_BEGIN, params);
 }
 
 void BoundNetLog::EndEvent(
     NetLog::EventType event_type,
     const scoped_refptr<NetLog::EventParameters>& params) const {
   AddEntry(event_type, NetLog::PHASE_END, params);
 }
 
+void BoundNetLog::EndEventWithNetErrorCode(NetLog::EventType event_type,
+                                           int net_error) const {
+  DCHECK_NE(net_error, net::ERR_IO_PENDING);
+  if (net_error >= 0) {
+    EndEvent(event_type, NULL);
+  } else {
+    EndEvent(
+        event_type,
+        make_scoped_refptr(new NetLogIntegerParameter("net_error", net_error)));
+  }
+}
+
 // static
 BoundNetLog BoundNetLog::Make(NetLog* net_log,
                               NetLog::SourceType source_type) {
   if (!net_log)
     return BoundNetLog();
 
   NetLog::Source source(source_type, net_log->NextID());
   return BoundNetLog(source, net_log);
 }
 
@@ skipping 41 matching lines @@
     const scoped_refptr<NetLog::EventParameters>& end_event_params) {
   DCHECK(!end_event_params_.get());
   end_event_params_ = end_event_params;
 }
 
 const BoundNetLog& ScopedNetLogEvent::net_log() const {
   return net_log_;
 }
 
 }  // namespace net