Remove usage of ScopedTaskScheduler.

content/browser/renderer_host/render_widget_host_view_mac_editcommand_helper_unittest.mm

 // Copyright (c) 2012 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.
 
 #import "content/browser/renderer_host/render_widget_host_view_mac_editcommand_helper.h"
 
 #import <Cocoa/Cocoa.h>
 #include <stddef.h>
 #include <stdint.h>
 
 #include "base/mac/scoped_nsautorelease_pool.h"
-#include "base/message_loop/message_loop.h"
-#include "base/test/scoped_task_scheduler.h"
+#include "base/test/scoped_task_environment.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "content/browser/compositor/test/no_transport_image_transport_factory.h"
 #include "content/browser/gpu/compositor_util.h"
 #include "content/browser/renderer_host/render_widget_host_delegate.h"
 #include "content/browser/renderer_host/render_widget_host_impl.h"
 #include "content/common/input_messages.h"
 #include "content/public/test/mock_render_process_host.h"
 #include "content/public/test/test_browser_context.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
@@ skipping 101 matching lines @@
   MockRenderProcessHostFactory process_host_factory;
   RenderProcessHost* process_host =
       process_host_factory.CreateRenderProcessHost(&browser_context, nullptr);
 
   // Populates |g_supported_scale_factors|.
   std::vector<ui::ScaleFactor> supported_factors;
   supported_factors.push_back(ui::SCALE_FACTOR_100P);
   ui::test::ScopedSetSupportedScaleFactors scoped_supported(supported_factors);
 
   base::mac::ScopedNSAutoreleasePool pool;
-  base::MessageLoop message_loop;
-  base::test::ScopedTaskScheduler task_scheduler(&message_loop);
+  base::test::ScopedTaskEnvironment scoped_task_environment_;
 
   int32_t routing_id = process_host->GetNextRoutingID();
   RenderWidgetHostEditCommandCounter* render_widget =
       new RenderWidgetHostEditCommandCounter(&delegate, process_host,
                                              routing_id);
 
   ui::WindowResizeHelperMac::Get()->Init(base::ThreadTaskRunnerHandle::Get());
 
   // Owned by its |cocoa_view()|, i.e. |rwhv_cocoa|.
   RenderWidgetHostViewMac* rwhv_mac = new RenderWidgetHostViewMac(
@@ skipping 67 matching lines @@
 
   // Random selectors should be enabled by the function.
   SEL garbage_selector = NSSelectorFromString(@"randomGarbageSelector:");
   ASSERT_FALSE(helper.IsMenuItemEnabled(garbage_selector, rwhvm_owner));
 
   // TODO(jeremy): Currently IsMenuItemEnabled just returns true for all edit
   // selectors.  Once we go past that we should do more extensive testing here.
 }
 
 }  // namespace content