Remove WorkerPool dependency from URLRequestFileJob.

net/tools/get_server_time/get_server_time.cc

Index: net/tools/get_server_time/get_server_time.cc
diff --git a/net/tools/get_server_time/get_server_time.cc b/net/tools/get_server_time/get_server_time.cc
index 3fe6129b66c9f855bca4ef186bd8bdb687dd771f..469a726edd72522b64e7f6d8db60a07451f03188 100644
--- a/net/tools/get_server_time/get_server_time.cc
+++ b/net/tools/get_server_time/get_server_time.cc
@@ -27,6 +27,7 @@
 #include "base/single_thread_task_runner.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/utf_string_conversions.h"
+#include "base/threading/worker_pool.h"
 #include "base/time/time.h"
 #include "base/values.h"
 #include "build/build_config.h"
@@ -145,7 +146,8 @@ class PrintingLogObserver : public net::NetLog::ThreadSafeObserver {
 // Builds a URLRequestContext assuming there's only a single loop.
 scoped_ptr<net::URLRequestContext>
 BuildURLRequestContext(net::NetLog* net_log) {
-  net::URLRequestContextBuilder builder;
+  net::URLRequestContextBuilder builder(
+      base::WorkerPool::GetTaskRunner(true /* task_is_slow */));
 #if defined(OS_LINUX)
   // On Linux, use a fixed ProxyConfigService, since the default one
   // depends on glib.