Remove use of deprecated MessageLoop methods in ui.

ui/keyboard/keyboard_controller.cc

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ui/keyboard/keyboard_controller.h"
 
 #include <set>
 
 #include "base/bind.h"
 #include "base/command_line.h"
+#include "base/location.h"
 #include "base/macros.h"
+#include "base/single_thread_task_runner.h"
+#include "base/threading/thread_task_runner_handle.h"
 #include "build/build_config.h"
 #include "ui/aura/window.h"
 #include "ui/aura/window_delegate.h"
 #include "ui/aura/window_observer.h"
 #include "ui/base/cursor/cursor.h"
 #include "ui/base/hit_test.h"
 #include "ui/base/ime/input_method.h"
 #include "ui/base/ime/text_input_client.h"
 #include "ui/compositor/layer_animation_observer.h"
 #include "ui/compositor/scoped_layer_animation_settings.h"
@@ skipping 331 matching lines @@
   if (!container_.get())
     return;
 
   type_ = client ? client->GetTextInputType() : ui::TEXT_INPUT_TYPE_NONE;
 
   if (type_ == ui::TEXT_INPUT_TYPE_NONE && !lock_keyboard_) {
     if (keyboard_visible_) {
       // Set the visibility state here so that any queries for visibility
       // before the timer fires returns the correct future value.
       keyboard_visible_ = false;
-      base::MessageLoop::current()->PostDelayedTask(
+      base::ThreadTaskRunnerHandle::Get()->PostDelayedTask(
           FROM_HERE,
           base::Bind(&KeyboardController::HideKeyboard,
                      weak_factory_.GetWeakPtr(), HIDE_REASON_AUTOMATIC),
           base::TimeDelta::FromMilliseconds(kHideKeyboardDelayMs));
     }
   } else {
     // Abort a pending keyboard hide.
     if (WillHideKeyboard()) {
       weak_factory_.InvalidateWeakPtrs();
       keyboard_visible_ = true;
@@ skipping 105 matching lines @@
   // background during animation.
   NotifyKeyboardBoundsChanging(container_->bounds());
   ui_->EnsureCaretInWorkArea();
 }
 
 void KeyboardController::HideAnimationFinished() {
   ui_->HideKeyboardContainer(container_.get());
 }
 
 }  // namespace keyboard