Adding histograms showing fraction of page load times

net/http/http_transaction_unittest.h

 // Copyright (c) 2011 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.
 
 #ifndef NET_HTTP_HTTP_TRANSACTION_UNITTEST_H_
 #define NET_HTTP_HTTP_TRANSACTION_UNITTEST_H_
 #pragma once
 
 #include "net/http/http_transaction.h"
 
@@ skipping 193 matching lines @@
  public:
   MockNetworkLayer();
   virtual ~MockNetworkLayer();
 
   int transaction_count() const { return transaction_count_; }
   bool done_reading_called() const { return done_reading_called_; }
   void TransactionDoneReading();
 
   // net::HttpTransactionFactory:
   virtual int CreateTransaction(
-      scoped_ptr<net::HttpTransaction>* trans) OVERRIDE;
+      scoped_ptr<net::HttpTransaction>* trans,
+      net::HttpTransactionDelegate* delegate) OVERRIDE;
   virtual net::HttpCache* GetCache() OVERRIDE;
   virtual net::HttpNetworkSession* GetSession() OVERRIDE;
 
  private:
   int transaction_count_;
   bool done_reading_called_;
 };
 
 //-----------------------------------------------------------------------------
 // helpers
 
 // read the transaction completely
 int ReadTransaction(net::HttpTransaction* trans, std::string* result);
 
 #endif  // NET_HTTP_HTTP_TRANSACTION_UNITTEST_H_