chrome/browser/ui: Remove use of MessageLoopProxy and deprecated MessageLoop APIs

chrome/browser/ui/webui/constrained_web_dialog_ui_browsertest.cc

Index: chrome/browser/ui/webui/constrained_web_dialog_ui_browsertest.cc
diff --git a/chrome/browser/ui/webui/constrained_web_dialog_ui_browsertest.cc b/chrome/browser/ui/webui/constrained_web_dialog_ui_browsertest.cc
index d9f4f96c279be5a1c82b23494bae1cbd9867a744..8cf25db0280ea558e392940bfb75bb07fff300a4 100644
--- a/chrome/browser/ui/webui/constrained_web_dialog_ui_browsertest.cc
+++ b/chrome/browser/ui/webui/constrained_web_dialog_ui_browsertest.cc
@@ -3,8 +3,11 @@
 // found in the LICENSE file.
 
 #include "base/callback.h"
+#include "base/location.h"
+#include "base/single_thread_task_runner.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
+#include "base/thread_task_runner_handle.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/tabs/tab_strip_model.h"
@@ -75,9 +78,8 @@ class ConstrainedWebDialogBrowserTest : public InProcessBrowserTest {
         return false;
       }
 
-      base::MessageLoop::current()->PostDelayedTask(
-          FROM_HERE,
-          base::MessageLoop::QuitClosure(),
+      base::ThreadTaskRunnerHandle::Get()->PostDelayedTask(
+          FROM_HERE, base::MessageLoop::QuitClosure(),
           base::TimeDelta::FromMilliseconds(20));
       content::RunMessageLoop();
     }