Remove usage of ScopedTaskScheduler.

content/browser/renderer_host/text_input_client_mac_unittest.mm

Index: content/browser/renderer_host/text_input_client_mac_unittest.mm
diff --git a/content/browser/renderer_host/text_input_client_mac_unittest.mm b/content/browser/renderer_host/text_input_client_mac_unittest.mm
index 3bb9df5cab2da2191b84628a2e2ea52a471c1697..8b9fb97a8c572e89ba3c2ff843ec76b8ec7a2664 100644
--- a/content/browser/renderer_host/text_input_client_mac_unittest.mm
+++ b/content/browser/renderer_host/text_input_client_mac_unittest.mm
@@ -8,10 +8,9 @@
 #include <stdint.h>
 
 #include "base/bind.h"
-#include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
 #include "base/single_thread_task_runner.h"
-#include "base/test/scoped_task_scheduler.h"
+#include "base/test/scoped_task_environment.h"
 #include "base/threading/thread.h"
 #include "content/browser/renderer_host/render_process_host_impl.h"
 #include "content/browser/renderer_host/render_widget_host_delegate.h"
@@ -47,7 +46,8 @@ class MockRenderWidgetHostDelegate : public RenderWidgetHostDelegate {
 class TextInputClientMacTest : public testing::Test {
  public:
   TextInputClientMacTest()
-      : task_scheduler_(&message_loop_),
+      : scoped_task_environment_(
+            base::test::ScopedTaskEnvironment::MainThreadType::UI),
         browser_context_(),
         process_factory_(),
         delegate_(),
@@ -94,10 +94,8 @@ class TextInputClientMacTest : public testing::Test {
  private:
   friend class ScopedTestingThread;
 
-  base::MessageLoopForUI message_loop_;
-
   // TaskScheduler is used by RenderWidgetHostImpl constructor.
-  base::test::ScopedTaskScheduler task_scheduler_;
+  base::test::ScopedTaskEnvironment scoped_task_environment_;
 
   TestBrowserContext browser_context_;