Add the ability for DevTools to wrap network transactions.

chrome/browser/profiles/profile_impl_io_data.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 "chrome/browser/profiles/profile_impl_io_data.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/metrics/field_trial.h"
@@ skipping 431 matching lines @@
   main_context->set_server_bound_cert_service(server_bound_cert_service);
 
   net::HttpCache::DefaultBackend* main_backend =
       new net::HttpCache::DefaultBackend(
           net::DISK_CACHE,
           ChooseCacheBackendType(),
           lazy_params_->cache_path,
           lazy_params_->cache_max_size,
           BrowserThread::GetMessageLoopProxyForThread(BrowserThread::CACHE)
               .get());
-  net::HttpNetworkSession::Params network_session_params;
-  PopulateNetworkSessionParams(profile_params, &network_session_params);
-  net::HttpCache* main_cache = new net::HttpCache(
-      network_session_params, main_backend);
+  scoped_ptr<net::HttpCache> main_cache = CreateMainHttpFactory(
+      profile_params, main_backend);
   main_cache->InitializeInfiniteCache(lazy_params_->infinite_cache_path);
 
 #if defined(OS_ANDROID) || defined(OS_IOS)
   DataReductionProxySettings::InitDataReductionProxySession(
       main_cache->GetSession());
 #endif
 
   if (chrome_browser_net::ShouldUseInMemoryCookiesAndCache()) {
     main_cache->set_mode(
         chrome_browser_net::IsCookieRecordMode() ?
         net::HttpCache::RECORD : net::HttpCache::PLAYBACK);
   }
 
-  main_http_factory_.reset(main_cache);
-  main_context->set_http_transaction_factory(main_cache);
+  main_http_factory_ = main_cache.PassAs<net::HttpTransactionFactory>();
+  main_context->set_http_transaction_factory(main_http_factory_.get());
 
 #if !defined(DISABLE_FTP_SUPPORT)
   ftp_factory_.reset(
       new net::FtpNetworkLayer(io_thread_globals->host_resolver.get()));
 #endif  // !defined(DISABLE_FTP_SUPPORT)
 
   scoped_ptr<net::URLRequestJobFactoryImpl> main_job_factory(
       new net::URLRequestJobFactoryImpl());
   InstallProtocolHandlers(main_job_factory.get(), protocol_handlers);
   main_job_factory_ = SetUpJobFactoryDefaults(
@@ skipping 237 matching lines @@
     const base::Closure& completion) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
   DCHECK(initialized());
 
   DCHECK(transport_security_state());
   // Completes synchronously.
   transport_security_state()->DeleteAllDynamicDataSince(time);
   DCHECK(http_server_properties_manager_);
   http_server_properties_manager_->Clear(completion);
 }