Make DesktopFactoryOzone instances to respect --ozone-platform

ui/views/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/features.gni")
 import("//build/config/ui.gni")
 import("//testing/test.gni")
 
 gypi_values = exec_script("//build/gypi_to_gn.py",
                           [ rebase_path("views.gyp") ],
                           "scope",
                           [ "views.gyp" ])
 
 config("flags") {
   defines = [ "TOOLKIT_VIEWS=1" ]
 }
 
+constructor_list_cc_file = "$target_gen_dir/desktop_factory_ozone_list.cc"
+
 component("views") {
   all_dependent_configs = [ ":flags" ]
   sources = gypi_values.views_sources
 
   configs += [
     "//build/config:precompiled_headers",
 
     # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
     "//build/config/compiler:no_size_t_to_int_warning",
   ]
@@ skipping 92 matching lines @@
     ]
     if (!is_chromeos) {
       sources += gypi_values.views_desktop_aura_sources
       if (use_x11) {
         sources += gypi_values.views_desktop_aura_x11_sources
         configs += [ "//ui/accessibility:atk" ]
       } else if (is_win) {
         sources += gypi_values.views_desktop_aura_win_sources
       } else if (use_ozone) {
         sources += gypi_values.views_desktop_aura_ozone_sources
+        deps += [
+          ":generate_constructor_list",
+        ]
+        sources += [ constructor_list_cc_file ]
+        if (ozone_platform_wayland) {
+          sources += gypi_values.views_desktop_aura_ozone_wayland_sources
+        }
       }
       if (is_linux) {
         sources += gypi_values.views_desktop_aura_linux_sources
       }
     }
   }
 
   if (is_mac) {
     deps += [
       "//ui/accelerated_widget_mac",
@@ skipping 185 matching lines @@
       "//ui/base:test_support",
       "//ui/compositor",
       "//ui/events:test_support",
       "//ui/gl:test_support",
       "//ui/resources",
       "//ui/resources:ui_test_pak",
       "//ui/strings",
     ]
   }
 }
+
+# GYP version: ui//views/views.gyp:generate_constructor_list
+action("generate_constructor_list") {
+  script = "../ozone/generate_constructor_list.py"
+  outputs = [
+    constructor_list_cc_file,
+  ]
+  platform_list_txt_file = "$target_gen_dir/../ozone/platform_list.txt"
+
+  args = [
+    "--platform_list=" + rebase_path(platform_list_txt_file, root_build_dir),
+    "--output_cc=" + rebase_path(constructor_list_cc_file, root_build_dir),
+    "--namespace=views",
+    "--typename=DesktopFactoryOzone",
+    "--include=\"ui/views/widget/desktop_aura/desktop_factory_ozone.h\"",
+  ]
+}