Remove obsolete app_list Linux code.

chrome/browser/ui/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/chromecast_build.gni")
 import("//build/config/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//build/split_static_library.gni")
 import("//chrome/common/features.gni")
@@ skipping 3118 matching lines @@
     sources += [
       "app_list/app_context_menu.cc",
       "app_list/app_context_menu.h",
       "app_list/app_context_menu_delegate.h",
       "app_list/app_list_controller_delegate.cc",
       "app_list/app_list_controller_delegate.h",
       "app_list/app_list_controller_delegate_impl.cc",
       "app_list/app_list_controller_delegate_impl.h",
       "app_list/app_list_model_builder.cc",
       "app_list/app_list_model_builder.h",
-      "app_list/app_list_positioner.cc",
-      "app_list/app_list_positioner.h",
       "app_list/app_list_service.cc",
       "app_list/app_list_service.h",
       "app_list/app_list_service_impl.cc",
       "app_list/app_list_service_impl.h",
       "app_list/app_list_syncable_service.cc",
       "app_list/app_list_syncable_service.h",
       "app_list/app_list_syncable_service_factory.cc",
       "app_list/app_list_syncable_service_factory.h",
       "app_list/app_list_view_delegate.cc",
       "app_list/app_list_view_delegate.h",
       "app_list/chrome_app_list_item.cc",
       "app_list/chrome_app_list_item.h",
       "app_list/extension_app_context_menu.cc",
       "app_list/extension_app_context_menu.h",
       "app_list/extension_app_item.cc",
       "app_list/extension_app_item.h",
       "app_list/extension_app_model_builder.cc",
       "app_list/extension_app_model_builder.h",
       "app_list/extension_uninstaller.cc",
       "app_list/extension_uninstaller.h",
-      "app_list/fast_show_pickler.cc",
-      "app_list/fast_show_pickler.h",
       "app_list/google_now_extension.cc",
       "app_list/google_now_extension.h",
       "app_list/launcher_page_event_dispatcher.cc",
       "app_list/launcher_page_event_dispatcher.h",
       "app_list/profile_loader.cc",
       "app_list/profile_loader.h",
       "app_list/profile_store.h",
       "app_list/search/app_result.cc",
       "app_list/search/app_result.h",
       "app_list/search/app_search_provider.cc",
@@ skipping 90 matching lines @@
         "ash/launcher/arc_app_window_launcher_controller.h",
         "ash/launcher/arc_app_window_launcher_item_controller.cc",
         "ash/launcher/arc_app_window_launcher_item_controller.h",
         "ash/launcher/arc_launcher_context_menu.cc",
         "ash/launcher/arc_launcher_context_menu.h",
         "ash/launcher/launcher_arc_app_updater.cc",
         "ash/launcher/launcher_arc_app_updater.h",
         "views/arc_app_dialog_view.cc",
       ]
     }
-    if (is_desktop_linux) {
-      sources += [
-        "views/app_list/linux/app_list_linux.cc",
-        "views/app_list/linux/app_list_linux.h",
-        "views/app_list/linux/app_list_service_linux.cc",
-        "views/app_list/linux/app_list_service_linux.h",
-      ]
-    }
-    if (!is_mac && !use_ash) {
-      sources += [
-        "app_list/app_list_controller_delegate_views.cc",
-        "app_list/app_list_controller_delegate_views.h",
-        "app_list/app_list_service_views.cc",
-        "app_list/app_list_service_views.h",
-        "app_list/app_list_shower_views.cc",
-        "app_list/app_list_shower_views.h",
-      ]
-    }
     deps += [ "//ui/app_list" ]
   } else {
     sources += [
       "app_list/app_list_service.h",
       "app_list/app_list_service_disabled.cc",
       "app_list/app_list_service_disabled_mac.h",
       "app_list/app_list_service_disabled_mac.mm",
     ]
   }
   if (!android_java_ui) {
@@ skipping 187 matching lines @@
       "test/test_confirm_bubble_model.cc",
       "test/test_confirm_bubble_model.h",
     ]
     deps += [ "//chrome/test:test_support_ui" ]
   }
 
   if (enable_extensions) {
     deps += [ "//extensions/browser" ]
   }
 }