Remove remaining calls to deprecated MessageLoop methods.

content/browser/service_worker/service_worker_url_request_job_unittest.cc

Index: content/browser/service_worker/service_worker_url_request_job_unittest.cc
diff --git a/content/browser/service_worker/service_worker_url_request_job_unittest.cc b/content/browser/service_worker/service_worker_url_request_job_unittest.cc
index ee7bf47e65f923b80f6a19bd07e6a41f27da99a2..6fcfe1b40def46c647358232585102274ca7c9f3 100644
--- a/content/browser/service_worker/service_worker_url_request_job_unittest.cc
+++ b/content/browser/service_worker/service_worker_url_request_job_unittest.cc
@@ -15,6 +15,7 @@
 #include "base/memory/ptr_util.h"
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
+#include "base/single_thread_task_runner.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "content/browser/blob_storage/chrome_blob_storage_context.h"
 #include "content/browser/fileapi/mock_url_request_delegate.h"
@@ -307,7 +308,7 @@ class ServiceWorkerURLRequestJobTest
     // Simulate another worker kicking out the incumbent worker.  PostTask since
     // it might respond synchronously, and the MockURLRequestDelegate would
     // complain that the message loop isn't being run.
-    base::MessageLoop::current()->PostTask(
+    base::MessageLoop::current()->task_runner()->PostTask(
         FROM_HERE, base::Bind(&ServiceWorkerVersion::SetStatus, version_,
                               ServiceWorkerVersion::REDUNDANT));
     base::RunLoop().RunUntilIdle();