Make DesktopFactoryOzone instances to respect --ozone-platform

ui/views/BUILD.gn

Index: ui/views/BUILD.gn
diff --git a/ui/views/BUILD.gn b/ui/views/BUILD.gn
index d02ed9bd42042a62803cbb1a12ab14009d767a0f..b6327b0bb7ee5f06cd1811dba137e8699cbdae91 100644
--- a/ui/views/BUILD.gn
+++ b/ui/views/BUILD.gn
@@ -15,6 +15,8 @@ config("flags") {
   defines = [ "TOOLKIT_VIEWS=1" ]
 }
 
+constructor_list_cc_file = "$target_gen_dir/desktop_factory_ozone_list.cc"
+
 component("views") {
   all_dependent_configs = [ ":flags" ]
   sources = gypi_values.views_sources
@@ -127,6 +129,13 @@ component("views") {
         sources += gypi_values.views_desktop_aura_win_sources
       } else if (use_ozone) {
         sources += gypi_values.views_desktop_aura_ozone_sources
+        deps += [
+          ":generate_constructor_list",
+        ]
+        sources += [ constructor_list_cc_file ]
+        if (ozone_platform_wayland) {
+          sources += gypi_values.views_desktop_aura_ozone_wayland_sources
+        }
       }
       if (is_linux) {
         sources += gypi_values.views_desktop_aura_linux_sources
@@ -332,3 +341,20 @@ if (is_mac) {
     ]
   }
 }
+
+# GYP version: ui//views/views.gyp:generate_constructor_list
+action("generate_constructor_list") {
+  script = "../ozone/generate_constructor_list.py"
+  outputs = [
+    constructor_list_cc_file,
+  ]
+  platform_list_txt_file = "$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\"",
+  ]
+}