Remove use of deprecated MessageLoop methods in chrome/.

chrome/browser/ui/views/chrome_views_delegate.cc

Index: chrome/browser/ui/views/chrome_views_delegate.cc
diff --git a/chrome/browser/ui/views/chrome_views_delegate.cc b/chrome/browser/ui/views/chrome_views_delegate.cc
index e0c9f334689b7fce3d8383b7c9c9f041ce94f9af..b249e0a265c2a09c1d96b5e11967659deb637995 100644
--- a/chrome/browser/ui/views/chrome_views_delegate.cc
+++ b/chrome/browser/ui/views/chrome_views_delegate.cc
@@ -6,8 +6,10 @@
 
 #include <memory>
 
+#include "base/single_thread_task_runner.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
+#include "base/threading/thread_task_runner_handle.h"
 #include "base/time/time.h"
 #include "build/build_config.h"
 #include "chrome/browser/browser_process.h"
@@ -275,9 +277,8 @@ ChromeViewsDelegate::ProcessAcceleratorWhileMenuShowing(
       accelerator);
   if (accelerator_controller->ShouldCloseMenuAndRepostAccelerator(
           accelerator)) {
-    base::MessageLoopForUI::current()->PostTask(
-        FROM_HERE,
-        base::Bind(ProcessAcceleratorNow, accelerator));
+    base::ThreadTaskRunnerHandle::Get()->PostTask(
+        FROM_HERE, base::Bind(ProcessAcceleratorNow, accelerator));
     return views::ViewsDelegate::ProcessMenuAcceleratorResult::CLOSE_MENU;
   }