Remove calls to deprecated MessageLoop methods in base.

base/message_loop/message_pump_libevent_unittest.cc

Index: base/message_loop/message_pump_libevent_unittest.cc
diff --git a/base/message_loop/message_pump_libevent_unittest.cc b/base/message_loop/message_pump_libevent_unittest.cc
index 6a5a1f36235786cba27857dadb23a18ce3da3e86..6d1cf7ef31f9a9ab55da3de7730148bb8de4aacb 100644
--- a/base/message_loop/message_pump_libevent_unittest.cc
+++ b/base/message_loop/message_pump_libevent_unittest.cc
@@ -15,6 +15,7 @@
 #include "base/message_loop/message_loop.h"
 #include "base/posix/eintr_wrapper.h"
 #include "base/run_loop.h"
+#include "base/single_thread_task_runner.h"
 #include "base/synchronization/waitable_event.h"
 #include "base/synchronization/waitable_event_watcher.h"
 #include "base/third_party/libevent/event.h"
@@ -177,7 +178,8 @@ void QuitMessageLoopAndStart(const Closure& quit_closure) {
 
   MessageLoop::ScopedNestableTaskAllower allow(MessageLoop::current());
   RunLoop runloop;
-  MessageLoop::current()->PostTask(FROM_HERE, runloop.QuitClosure());
+  MessageLoop::current()->task_runner()->PostTask(FROM_HERE,
+                                                  runloop.QuitClosure());
   runloop.Run();
 }
 
@@ -188,8 +190,8 @@ class NestedPumpWatcher : public MessagePumpLibevent::Watcher {
 
   void OnFileCanReadWithoutBlocking(int /* fd */) override {
     RunLoop runloop;
-    MessageLoop::current()->PostTask(FROM_HERE, Bind(&QuitMessageLoopAndStart,
-                                                     runloop.QuitClosure()));
+    MessageLoop::current()->task_runner()->PostTask(
+        FROM_HERE, Bind(&QuitMessageLoopAndStart, runloop.QuitClosure()));
     runloop.Run();
   }
 
@@ -220,7 +222,8 @@ class QuitWatcher : public BaseWatcher {
 
   void OnFileCanReadWithoutBlocking(int /* fd */) override {
     // Post a fatal closure to the MessageLoop before we quit it.
-    MessageLoop::current()->PostTask(FROM_HERE, Bind(&FatalClosure));
+    MessageLoop::current()->task_runner()->PostTask(FROM_HERE,
+                                                    Bind(&FatalClosure));
 
     // Now quit the MessageLoop.
     run_loop_->Quit();
@@ -260,19 +263,21 @@ TEST_F(MessagePumpLibeventTest, QuitWatcher) {
   const char buf = 0;
   const WaitableEventWatcher::EventCallback write_fd_task =
       Bind(&WriteFDWrapper, pipefds_[1], &buf, 1);
-  io_loop()->PostTask(FROM_HERE,
-                      Bind(IgnoreResult(&WaitableEventWatcher::StartWatching),
-                           Unretained(watcher.get()), &event, write_fd_task));
+  io_loop()->task_runner()->PostTask(
+      FROM_HERE, Bind(IgnoreResult(&WaitableEventWatcher::StartWatching),
+                      Unretained(watcher.get()), &event, write_fd_task));
 
   // Queue |event| to signal on |loop|.
-  loop.PostTask(FROM_HERE, Bind(&WaitableEvent::Signal, Unretained(&event)));
+  loop.task_runner()->PostTask(
+      FROM_HERE, Bind(&WaitableEvent::Signal, Unretained(&event)));
 
   // Now run the MessageLoop.
   run_loop.Run();
 
   // StartWatching can move |watcher| to IO thread. Release on IO thread.
-  io_loop()->PostTask(FROM_HERE, Bind(&WaitableEventWatcher::StopWatching,
-                                      Owned(watcher.release())));
+  io_loop()->task_runner()->PostTask(
+      FROM_HERE,
+      Bind(&WaitableEventWatcher::StopWatching, Owned(watcher.release())));
 }
 
 }  // namespace