Use mojo app list interfaces for mash and classic ash.

ash/test/BUILD.gn

 # Copyright 2016 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/config/ui.gni")
 
 # Used to test ash with an aura backend.
 source_set("ash_with_aura_test_support") {
   testonly = true
   sources = [
@@ skipping 90 matching lines @@
     "shelf_view_test_api.cc",
     "shelf_view_test_api.h",
     "shell_test_api.cc",
     "shell_test_api.h",
     "status_area_widget_test_helper.cc",
     "status_area_widget_test_helper.h",
     "task_switch_time_tracker_test_api.cc",
     "task_switch_time_tracker_test_api.h",
     "test_activation_delegate.cc",
     "test_activation_delegate.h",
+    "test_app_list_presenter_impl.cc",
+    "test_app_list_presenter_impl.h",
     "test_keyboard_ui.cc",
     "test_keyboard_ui.h",
     "test_overlay_delegate.cc",
     "test_overlay_delegate.h",
     "test_screenshot_delegate.cc",
     "test_screenshot_delegate.h",
     "test_session_state_animator.cc",
     "test_session_state_animator.h",
     "test_shell_delegate.cc",
     "test_shell_delegate.h",
@@ skipping 28 matching lines @@
     "//chromeos",
     "//components/signin/core/account_id",
     "//components/user_manager:user_manager",
     "//device/bluetooth",
     "//services/ui/public/interfaces",
     "//skia",
     "//testing/gtest",
     "//ui/accessibility",
     "//ui/app_list:test_support",
     "//ui/app_list/presenter",
+    "//ui/app_list/presenter:test_support",
     "//ui/aura",
     "//ui/aura:test_support",
     "//ui/base:test_support",
     "//ui/compositor:test_support",
     "//ui/display",
     "//ui/display/types",
     "//ui/events:events_base",
     "//ui/events:test_support",
     "//ui/events/devices",
     "//ui/gl",
@@ skipping 24 matching lines @@
   deps = [
     ":test_support_with_content",
     "//base",
     "//skia",
     "//testing/gtest",
     "//ui/aura",
     "//ui/base",
     "//ui/gl:test_support",
   ]
 }