Use base::test::ScopedAsyncTaskScheduler in GLImageTest.

ui/gl/test/gl_image_test_template.h

 // Copyright 2015 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.
 
 // This file defines tests that implementations of GLImage should pass in order
 // to be conformant.
 
 #ifndef UI_GL_TEST_GL_IMAGE_TEST_TEMPLATE_H_
 #define UI_GL_TEST_GL_IMAGE_TEST_TEMPLATE_H_
 
 #include <stdint.h>
 
 #include <memory>
 
 #include "base/strings/stringize_macros.h"
 #include "base/strings/stringprintf.h"
-#include "base/task_scheduler/task_scheduler.h"
+#include "base/test/scoped_async_task_scheduler.h"
 #include "build/build_config.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/gfx/buffer_format_util.h"
 #include "ui/gfx/buffer_types.h"
 #include "ui/gl/gl_bindings.h"
 #include "ui/gl/gl_context.h"
 #include "ui/gl/gl_helper.h"
 #include "ui/gl/gl_image.h"
 #include "ui/gl/gl_surface.h"
 #include "ui/gl/gl_version_info.h"
@@ skipping 128 matching lines @@
   glDeleteBuffersARB(1, &vertex_buffer);
 }
 
 }  // namespace
 
 template <typename GLImageTestDelegate>
 class GLImageTest : public testing::Test {
  protected:
   // Overridden from testing::Test:
   void SetUp() override {
-    constexpr int kMaxTaskSchedulerThreads = 3;
-    base::TaskScheduler::CreateAndSetSimpleTaskScheduler(
-        kMaxTaskSchedulerThreads);
-
     GLImageTestSupport::InitializeGL();
     surface_ = gl::init::CreateOffscreenGLSurface(gfx::Size());
     context_ =
         gl::init::CreateGLContext(nullptr, surface_.get(), GLContextAttribs());
     context_->MakeCurrent(surface_.get());
   }
   void TearDown() override {
     context_->ReleaseCurrent(surface_.get());
     context_ = nullptr;
     surface_ = nullptr;
     GLImageTestSupport::CleanupGL();
   }
 
  protected:
+  base::test::ScopedAsyncTaskScheduler scoped_async_task_scheduler_;
   scoped_refptr<GLSurface> surface_;
   scoped_refptr<GLContext> context_;
   GLImageTestDelegate delegate_;
 };
 
 TYPED_TEST_CASE_P(GLImageTest);
 
 TYPED_TEST_P(GLImageTest, Create) {
   const gfx::Size small_image_size(4, 4);
   const gfx::Size large_image_size(512, 512);
@@ skipping 210 matching lines @@
   }
 }
 
 // The GLImageCopyTest test case verifies that the GLImage implementation
 // handles CopyTexImage correctly.
 REGISTER_TYPED_TEST_CASE_P(GLImageCopyTest, CopyTexImage);
 
 }  // namespace gl
 
 #endif  // UI_GL_TEST_GL_IMAGE_TEST_TEMPLATE_H_