Purge the App Launcher code from Mac

ui/app_list/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/config/ui.gni")
 import("//testing/test.gni")
 
 component("app_list") {
   sources = [
     "app_list_constants.cc",
@@ skipping 160 matching lines @@
     ]
     deps += [
       "//ui/events",
       "//ui/views",
     ]
 
     public_deps = [
       "//ui/views",
     ]
   }
-
-  if (is_mac) {
-    sources += [
-      "cocoa/app_list_pager_view.h",
-      "cocoa/app_list_pager_view.mm",
-      "cocoa/app_list_view_controller.h",
-      "cocoa/app_list_view_controller.mm",
-      "cocoa/app_list_window_controller.h",
-      "cocoa/app_list_window_controller.mm",
-      "cocoa/apps_collection_view_drag_manager.h",
-      "cocoa/apps_collection_view_drag_manager.mm",
-      "cocoa/apps_grid_controller.h",
-      "cocoa/apps_grid_controller.mm",
-      "cocoa/apps_grid_view_item.h",
-      "cocoa/apps_grid_view_item.mm",
-      "cocoa/apps_pagination_model_observer.h",
-      "cocoa/apps_search_box_controller.h",
-      "cocoa/apps_search_box_controller.mm",
-      "cocoa/apps_search_results_controller.h",
-      "cocoa/apps_search_results_controller.mm",
-      "cocoa/apps_search_results_model_bridge.h",
-      "cocoa/apps_search_results_model_bridge.mm",
-      "cocoa/item_drag_controller.h",
-      "cocoa/item_drag_controller.mm",
-      "cocoa/scroll_view_with_no_scrollbars.h",
-      "cocoa/scroll_view_with_no_scrollbars.mm",
-    ]
-    deps += [ "//third_party/google_toolbox_for_mac" ]
-    libs = [
-      "AppKit.framework",
-      "QuartzCore.framework",
-    ]
-  }
 }
 
 static_library("test_support") {
   sources = [
     "test/app_list_test_model.cc",
     "test/app_list_test_model.h",
     "test/app_list_test_view_delegate.cc",
     "test/app_list_test_view_delegate.h",
     "test/test_search_result.cc",
     "test/test_search_result.h",
@@ skipping 94 matching lines @@
       "views/search_result_page_view_unittest.cc",
       "views/speech_view_unittest.cc",
       "views/test/apps_grid_view_test_api.cc",
       "views/test/apps_grid_view_test_api.h",
     ]
     deps += [
       "//ui/views",
       "//ui/views:test_support",
     ]
   }
-
-  if (is_mac) {
-    sources += [
-      "cocoa/app_list_view_controller_unittest.mm",
-      "cocoa/app_list_window_controller_unittest.mm",
-      "cocoa/apps_grid_controller_unittest.mm",
-      "cocoa/apps_search_box_controller_unittest.mm",
-      "cocoa/apps_search_results_controller_unittest.mm",
-      "cocoa/test/apps_grid_controller_test_helper.h",
-      "cocoa/test/apps_grid_controller_test_helper.mm",
-    ]
-  }
 }