Add the ability for DevTools to wrap network transactions.

chrome/browser/profiles/profile_io_data.cc

Index: chrome/browser/profiles/profile_io_data.cc
diff --git a/chrome/browser/profiles/profile_io_data.cc b/chrome/browser/profiles/profile_io_data.cc
index 94c8d6fb76f79cd353a156c7f58ba85e31f3e242..41df68401c59df7230aa47e8f3c26878f1f4b7ba 100644
--- a/chrome/browser/profiles/profile_io_data.cc
+++ b/chrome/browser/profiles/profile_io_data.cc
@@ -40,6 +40,7 @@
 #include "chrome/browser/net/chrome_net_log.h"
 #include "chrome/browser/net/chrome_network_delegate.h"
 #include "chrome/browser/net/cookie_store_util.h"
+#include "chrome/browser/net/network_controller.h"
 #include "chrome/browser/net/proxy_service_factory.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/profiles/profile_manager.h"
@@ -1130,28 +1131,34 @@ void ProfileIOData::DestroyResourceContext() {
   resource_context_.reset();
 }
 
-void ProfileIOData::PopulateNetworkSessionParams(
+scoped_ptr<net::HttpCache> ProfileIOData::CreateMainHttpFactory(
     const ProfileParams* profile_params,
-    net::HttpNetworkSession::Params* params) const {
-
+    net::HttpCache::BackendFactory* main_backend) const {
+  net::HttpNetworkSession::Params params;
   ChromeURLRequestContext* context = main_request_context();
 
   IOThread* const io_thread = profile_params->io_thread;
 
-  io_thread->InitializeNetworkSessionParams(params);
-
-  params->host_resolver = context->host_resolver();
-  params->cert_verifier = context->cert_verifier();
-  params->server_bound_cert_service = context->server_bound_cert_service();
-  params->transport_security_state = context->transport_security_state();
-  params->cert_transparency_verifier = context->cert_transparency_verifier();
-  params->proxy_service = context->proxy_service();
-  params->ssl_session_cache_shard = GetSSLSessionCacheShard();
-  params->ssl_config_service = context->ssl_config_service();
-  params->http_auth_handler_factory = context->http_auth_handler_factory();
-  params->network_delegate = network_delegate();
-  params->http_server_properties = context->http_server_properties();
-  params->net_log = context->net_log();
+  io_thread->InitializeNetworkSessionParams(&params);
+
+  params.host_resolver = context->host_resolver();
+  params.cert_verifier = context->cert_verifier();
+  params.server_bound_cert_service = context->server_bound_cert_service();
+  params.transport_security_state = context->transport_security_state();
+  params.cert_transparency_verifier = context->cert_transparency_verifier();
+  params.proxy_service = context->proxy_service();
+  params.ssl_session_cache_shard = GetSSLSessionCacheShard();
+  params.ssl_config_service = context->ssl_config_service();
+  params.http_auth_handler_factory = context->http_auth_handler_factory();
+  params.network_delegate = network_delegate();
+  params.http_server_properties = context->http_server_properties();
+  params.net_log = context->net_log();
+
+  network_controller_ =
+      new NetworkController(new net::HttpNetworkSession(params));
+
+  return scoped_ptr<net::HttpCache>(new net::HttpCache(
+      network_controller_, params.net_log, main_backend));
 }
 
 void ProfileIOData::SetCookieSettingsForTesting(