First pass at adding http/backend cache to NetLog

chrome_frame/metrics_service.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.
 
 
 //------------------------------------------------------------------------------
 // Description of the life cycle of a instance of MetricsService.
 //
 //  OVERVIEW
 //
@@ skipping 166 matching lines @@
     http_transaction_factory_ = new net::HttpCache(
         net::HttpNetworkLayer::CreateFactory(host_resolver_,
                                              NULL /* dnsrr_resovler */,
                                              NULL /* dns_cert_checker*/,
                                              NULL /* ssl_host_info */,
                                              proxy_service_,
                                              ssl_config_service_,
                                              http_auth_handler_factory_,
                                              network_delegate_,
                                              NULL),
+        NULL /* net_log */,
         net::HttpCache::DefaultBackend::InMemory(0));
   }
 
   virtual const std::string& GetUserAgent(const GURL& url) const {
     return user_agent_;
   }
 
  private:
   std::string user_agent_;
   MessageLoop* io_loop_;
@@ skipping 407 matching lines @@
     version += "-F";
     if (!version_info.IsOfficialBuild())
       version.append("-devel");
     return version;
   } else {
     NOTREACHED() << "Unable to retrieve version string.";
   }
 
   return std::string();
 }