Adding histograms showing fraction of page load times

net/tools/fetch/fetch_client.cc

 // Copyright (c) 2012 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 "build/build_config.h"
 
 #include "base/at_exit.h"
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/command_line.h"
@@ skipping 41 matching lines @@
 };
 
 static base::LazyInstance<Driver> g_driver = LAZY_INSTANCE_INITIALIZER;
 
 // A network client
 class Client {
  public:
   Client(net::HttpTransactionFactory* factory, const std::string& url) :
       url_(url),
       buffer_(new net::IOBuffer(kBufferSize)) {
-    int rv = factory->CreateTransaction(&transaction_);
+    int rv = factory->CreateTransaction(&transaction_, NULL);
     DCHECK_EQ(net::OK, rv);
     buffer_->AddRef();
     g_driver.Get().ClientStarted();
     request_info_.url = url_;
     request_info_.method = "GET";
     int state = transaction_->Start(
         &request_info_,
         base::Bind(&Client::OnConnectComplete, base::Unretained(this)),
         net::BoundNetLog());
     DCHECK(state == net::ERR_IO_PENDING);
@@ skipping 143 matching lines @@
       std::string name(table.GetRowName(index));
       if (name.length() > 0) {
         int value = table.GetRowValue(index);
         printf("%s:\t%d\n", name.c_str(), value);
       }
     }
     printf("</stats>\n");
   }
   return 0;
 }