[Chromecast] Add net logging.

chromecast/browser/url_request_context_factory.cc

Index: chromecast/browser/url_request_context_factory.cc
diff --git a/chromecast/browser/url_request_context_factory.cc b/chromecast/browser/url_request_context_factory.cc
index 2c389a98f021d3f662d2c98964d94d4f54d086a8..d30ffd93212257c460e5d627426fb8846d08b253 100644
--- a/chromecast/browser/url_request_context_factory.cc
+++ b/chromecast/browser/url_request_context_factory.cc
@@ -10,6 +10,7 @@
 #include "base/threading/worker_pool.h"
 #include "chromecast/base/chromecast_switches.h"
 #include "chromecast/browser/cast_http_user_agent_settings.h"
+#include "chromecast/browser/cast_net_log.h"
 #include "chromecast/browser/cast_network_delegate.h"
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/browser_thread.h"
@@ -137,7 +138,8 @@ URLRequestContextFactory::URLRequestContextFactory()
       system_network_delegate_(CastNetworkDelegate::Create()),
       system_dependencies_initialized_(false),
       main_dependencies_initialized_(false),
-      media_dependencies_initialized_(false) {
+      media_dependencies_initialized_(false),
+      net_log_(new CastNetLog()) {
 }
 
 URLRequestContextFactory::~URLRequestContextFactory() {
@@ -328,6 +330,7 @@ net::URLRequestContext* URLRequestContextFactory::CreateSystemRequestContext() {
   system_context->set_cookie_store(
       content::CreateCookieStore(content::CookieStoreConfig()));
   system_context->set_network_delegate(system_network_delegate_.get());
+  system_context->set_net_log(net_log_.get());
   return system_context;
 }
 
@@ -347,6 +350,7 @@ net::URLRequestContext* URLRequestContextFactory::CreateMediaRequestContext() {
   media_context->CopyFrom(main_context);
   media_context->set_http_transaction_factory(
       media_transaction_factory_.get());
+  media_context->set_net_log(net_log_.get());
   return media_context;
 }
 
@@ -399,6 +403,7 @@ net::URLRequestContext* URLRequestContextFactory::CreateMainRequestContext(
       main_transaction_factory_.get());
   main_context->set_job_factory(main_job_factory_.get());
   main_context->set_network_delegate(app_network_delegate_.get());
+  main_context->set_net_log(net_log_.get());
   return main_context;
 }