Use ScopedTaskEnvironment instead of MessageLoopForUI in content tests.

content/browser/renderer_host/input/input_router_impl_unittest.cc

 // Copyright 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 "content/browser/renderer_host/input/input_router_impl.h"
 
 #include <math.h>
 #include <stddef.h>
 #include <stdint.h>
 
 #include <memory>
 #include <tuple>
 #include <vector>
 
 #include "base/command_line.h"
 #include "base/location.h"
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "base/run_loop.h"
 #include "base/single_thread_task_runner.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/test/scoped_feature_list.h"
+#include "base/test/scoped_task_environment.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "build/build_config.h"
 #include "content/browser/renderer_host/input/gesture_event_queue.h"
 #include "content/browser/renderer_host/input/input_router_client.h"
 #include "content/browser/renderer_host/input/mock_input_ack_handler.h"
 #include "content/browser/renderer_host/input/mock_input_router_client.h"
 #include "content/common/content_constants_internal.h"
 #include "content/common/edit_command.h"
 #include "content/common/input/synthetic_web_input_event_builders.h"
 #include "content/common/input/touch_action.h"
@@ skipping 112 matching lines @@
 
   return true;
 }
 #endif  // defined(USE_AURA)
 
 }  // namespace
 
 class InputRouterImplTest : public testing::Test {
  public:
   InputRouterImplTest(bool raf_aligned_touch = true,
-                      bool wheel_scroll_latching = true) {
+                      bool wheel_scroll_latching = true)
+      : scoped_task_environment_(
+            base::test::ScopedTaskEnvironment::MainThreadType::UI) {
     if (raf_aligned_touch && wheel_scroll_latching) {
       feature_list_.InitWithFeatures(
           {features::kRafAlignedTouchInputEvents,
            features::kTouchpadAndWheelScrollLatching},
           {});
     } else if (raf_aligned_touch && !wheel_scroll_latching) {
       feature_list_.InitWithFeatures(
           {features::kRafAlignedTouchInputEvents},
           {features::kTouchpadAndWheelScrollLatching});
     } else if (!raf_aligned_touch && wheel_scroll_latching) {
@@ skipping 287 matching lines @@
     }
   }
 
   InputRouterImpl::Config config_;
   std::unique_ptr<MockRenderProcessHost> process_;
   std::unique_ptr<MockInputRouterClient> client_;
   std::unique_ptr<MockInputAckHandler> ack_handler_;
   std::unique_ptr<InputRouterImpl> input_router_;
 
  private:
-  base::MessageLoopForUI message_loop_;
+  base::test::ScopedTaskEnvironment scoped_task_environment_;
   SyntheticWebTouchEvent touch_event_;
 
   base::test::ScopedFeatureList feature_list_;
   std::unique_ptr<TestBrowserContext> browser_context_;
 };
 
 class InputRouterImplRafAlignedTouchDisabledTest : public InputRouterImplTest {
  public:
   InputRouterImplRafAlignedTouchDisabledTest()
       : InputRouterImplTest(false, false) {}
@@ skipping 2023 matching lines @@
   EXPECT_EQ(80, sent_event->data.fling_start.velocity_y);
 
   const WebGestureEvent* filter_event =
       GetFilterWebInputEvent<WebGestureEvent>();
   TestLocationInFilterEvent(filter_event, orig);
   EXPECT_EQ(30, filter_event->data.fling_start.velocity_x);
   EXPECT_EQ(40, filter_event->data.fling_start.velocity_y);
 }
 
 }  // namespace content