Use base::test::ScopedAsyncTaskScheduler in GLImageTest.

ui/gl/BUILD.gn

 # 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.
 
 import("//build/buildflag_header.gni")
 import("//build/config/chrome_build.gni")
 import("//build/config/linux/pkg_config.gni")
 import("//build/config/ui.gni")
 import("//ui/ozone/ozone.gni")
 import("//testing/test.gni")
@@ skipping 306 matching lines @@
     "test/gl_test_helper.h",
   ]
 
   configs += [ "//third_party/khronos:khronos_headers" ]
 
   public_deps = [
     ":gl",
     "//ui/gl/init",
   ]
   deps = [
+    "//base/test:test_support",
     "//testing/gtest",
     "//ui/base",
   ]
 
   if (use_x11) {
     configs += [ "//build/config/linux:x11" ]
     deps += [ "//ui/platform_window/x11" ]
   }
 
   if (use_ozone) {
@@ skipping 98 matching lines @@
     sources = [
       "../android/java/src/org/chromium/ui/gl/SurfaceTextureListener.java",
       "../android/java/src/org/chromium/ui/gl/SurfaceTexturePlatformWrapper.java",
     ]
     public_deps = [
       ":surface_jni_headers",
     ]
     jni_package = "ui/gl"
   }
 }