Revert "content: Remove use of MessageLoopProxy and deprecated MessageLoop APIs"

content/shell/browser/layout_test/layout_test_browser_main.cc

Index: content/shell/browser/layout_test/layout_test_browser_main.cc
diff --git a/content/shell/browser/layout_test/layout_test_browser_main.cc b/content/shell/browser/layout_test/layout_test_browser_main.cc
index ec347517324c260f1d80ed684a99959437e615dc..44f05495a63856c578d4c1fb17eb47856a98b5db 100644
--- a/content/shell/browser/layout_test/layout_test_browser_main.cc
+++ b/content/shell/browser/layout_test/layout_test_browser_main.cc
@@ -10,13 +10,11 @@
 #include "base/files/file_path.h"
 #include "base/files/file_util.h"
 #include "base/files/scoped_temp_dir.h"
-#include "base/location.h"
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
-#include "base/single_thread_task_runner.h"
+#include "base/message_loop/message_loop.h"
 #include "base/strings/sys_string_conversions.h"
 #include "base/strings/utf_string_conversions.h"
-#include "base/thread_task_runner_handle.h"
 #include "base/threading/thread_restrictions.h"
 #include "content/public/browser/browser_main_runner.h"
 #include "content/public/common/url_constants.h"
@@ -172,8 +170,8 @@ int RunTests(const scoped_ptr<content::BrowserMainRunner>& main_runner) {
       break;
   }
   if (!ran_at_least_once) {
-    base::ThreadTaskRunnerHandle::Get()->PostTask(
-        FROM_HERE, base::MessageLoop::QuitClosure());
+    base::MessageLoop::current()->PostTask(FROM_HERE,
+                                           base::MessageLoop::QuitClosure());
     main_runner->Run();
   }
 
@@ -214,8 +212,8 @@ int LayoutTestBrowserMain(
 
   if (base::CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kCheckLayoutTestSysDeps)) {
-    base::ThreadTaskRunnerHandle::Get()->PostTask(
-        FROM_HERE, base::MessageLoop::QuitClosure());
+    base::MessageLoop::current()->PostTask(FROM_HERE,
+                                           base::MessageLoop::QuitClosure());
     main_runner->Run();
     content::Shell::CloseAllWindows();
     main_runner->Shutdown();