Remove use of deprecated MessageLoop methods in ui.

ui/events/gesture_detection/gesture_provider_unittest.cc

 // Copyright 2014 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/events/gesture_detection/gesture_provider.h"
 
 #include <stddef.h>
 
 #include <memory>
 
+#include "base/location.h"
 #include "base/logging.h"
 #include "base/message_loop/message_loop.h"
+#include "base/single_thread_task_runner.h"
+#include "base/threading/thread_task_runner_handle.h"
 #include "base/time/time.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/events/event_constants.h"
 #include "ui/events/gesture_detection/gesture_event_data.h"
 #include "ui/events/gesture_detection/motion_event.h"
 #include "ui/events/test/motion_event_test_utils.h"
 #include "ui/gfx/geometry/point_f.h"
 
 using base::TimeDelta;
 using base::TimeTicks;
@@ skipping 383 matching lines @@
                               positions);
     EXPECT_TRUE(gesture_provider_->OnTouchEvent(event));
 
     event = ObtainMotionEvent(event_time + 2 * kDeltaTimeForFlingSequences,
                               MotionEvent::ACTION_POINTER_UP,
                               positions);
     EXPECT_TRUE(gesture_provider_->OnTouchEvent(event));
   }
 
   static void RunTasksAndWait(base::TimeDelta delay) {
-    base::MessageLoop::current()->PostDelayedTask(
+    base::ThreadTaskRunnerHandle::Get()->PostDelayedTask(
         FROM_HERE, base::MessageLoop::QuitWhenIdleClosure(), delay);
     base::MessageLoop::current()->Run();
   }
 
   std::vector<GestureEventData> gestures_;
   std::unique_ptr<GestureProvider> gesture_provider_;
   std::unique_ptr<GestureEventData> active_scroll_begin_event_;
   base::MessageLoopForUI message_loop_;
 };
 
@@ skipping 2212 matching lines @@
   event = ObtainMotionEvent(event_time, MotionEvent::ACTION_DOWN, kFakeCoordX,
                             kFakeCoordY + GetTouchSlop() / 2);
   EXPECT_TRUE(gesture_provider_->OnTouchEvent(event));
   event = ObtainMotionEvent(event_time, MotionEvent::ACTION_UP);
   EXPECT_TRUE(gesture_provider_->OnTouchEvent(event));
   EXPECT_EQ(ET_GESTURE_TAP, GetMostRecentGestureEventType());
   EXPECT_EQ(1, GetMostRecentGestureEvent().details.tap_count());
 }
 
 }  // namespace ui