Pass file task runner to net::URLRequestContextBuilder

remoting/base/url_request_context_getter.cc

Index: remoting/base/url_request_context_getter.cc
diff --git a/remoting/base/url_request_context_getter.cc b/remoting/base/url_request_context_getter.cc
index f61aa9b79ca79344123d289dd7d4f5d8a8b840ac..4c9c2728c63ec3f5d81baf7a2a92bc5ea416c4c5 100644
--- a/remoting/base/url_request_context_getter.cc
+++ b/remoting/base/url_request_context_getter.cc
@@ -15,7 +15,8 @@ namespace remoting {
 URLRequestContextGetter::URLRequestContextGetter(
     scoped_refptr<base::SingleThreadTaskRunner> network_task_runner,
     scoped_refptr<base::SingleThreadTaskRunner> file_task_runner)
-    : network_task_runner_(network_task_runner) {
+    : network_task_runner_(network_task_runner),
+      file_task_runner_(file_task_runner) {
   proxy_config_service_.reset(net::ProxyService::CreateSystemProxyConfigService(
       network_task_runner_, file_task_runner));
 }
@@ -23,6 +24,7 @@ URLRequestContextGetter::URLRequestContextGetter(
 net::URLRequestContext* URLRequestContextGetter::GetURLRequestContext() {
   if (!url_request_context_.get()) {
     net::URLRequestContextBuilder builder;
+    builder.SetFileTaskRunner(file_task_runner_);
     builder.set_net_log(new VlogNetLog());
     builder.DisableHttpCache();
     builder.set_proxy_config_service(proxy_config_service_.release());