Remove use of deprecated MessageLoop methods in chrome/.

chrome/browser/android/download/download_manager_service.cc

Index: chrome/browser/android/download/download_manager_service.cc
diff --git a/chrome/browser/android/download/download_manager_service.cc b/chrome/browser/android/download/download_manager_service.cc
index ab9b1fd7c28f3494ebedce06e5697fdd533d14fe..a7cc6ea4043199f5636d8c93c449d8a9ce29a25e 100644
--- a/chrome/browser/android/download/download_manager_service.cc
+++ b/chrome/browser/android/download/download_manager_service.cc
@@ -5,7 +5,9 @@
 #include "chrome/browser/android/download/download_manager_service.h"
 
 #include "base/android/jni_string.h"
-#include "base/message_loop/message_loop.h"
+#include "base/location.h"
+#include "base/single_thread_task_runner.h"
+#include "base/threading/thread_task_runner_handle.h"
 #include "base/time/time.h"
 #include "chrome/browser/download/download_service.h"
 #include "chrome/browser/download/download_service_factory.h"
@@ -188,7 +190,7 @@ void DownloadManagerService::EnqueueDownloadAction(
 
 void DownloadManagerService::OnResumptionFailed(
     const std::string& download_guid) {
-  base::MessageLoop::current()->PostTask(
+  base::ThreadTaskRunnerHandle::Get()->PostTask(
       FROM_HERE, base::Bind(&DownloadManagerService::OnResumptionFailedInternal,
                             base::Unretained(this), download_guid));
 }