Generate Mojom Types in Dart (Take 2)

mojo/dart/embedder/BUILD.gn

Index: mojo/dart/embedder/BUILD.gn
diff --git a/mojo/dart/embedder/BUILD.gn b/mojo/dart/embedder/BUILD.gn
index 808a40ca1678532e0e329851ff9e87fde86d3834..4210c83910fe3a08fd954b54d9e5ac2b1d965739 100644
--- a/mojo/dart/embedder/BUILD.gn
+++ b/mojo/dart/embedder/BUILD.gn
@@ -42,8 +42,8 @@ source_set("dart_controller_no_snapshot") {
     "//base",
     "//base:i18n",
     "//dart/runtime:libdart",
-    "//dart/runtime/observatory:embedded_observatory_archive",
     "//dart/runtime/bin:libdart_embedder_noio",
+    "//dart/runtime/observatory:embedded_observatory_archive",
     "//mojo/message_pump",
     "//mojo/public/c/system",
     "//mojo/public/cpp/environment",
@@ -80,12 +80,13 @@ dart_embedder_resources("generate_dart_embedder_patch_resources_cc") {
 
 group("dart_embedder_packages") {
   deps = [
-    ":dart_embedder_package_sdk",
     ":dart_embedder_package_application",
     ":dart_embedder_package_bindings",
+    ":dart_embedder_package_bindings_types",
+    ":dart_embedder_package_files_service",
     ":dart_embedder_package_network",
     ":dart_embedder_package_network_service",
-    ":dart_embedder_package_files_service",
+    ":dart_embedder_package_sdk",
   ]
 }
 
@@ -99,6 +100,12 @@ dart_embedder_package("dart_embedder_package_bindings") {
   destination = "mojo/mojo"
 }
 
+dart_embedder_package("dart_embedder_package_bindings_types") {
+  package = "mojo/public/interfaces/bindings"
+  destination = "mojo/mojo/bindings/types"
+  is_bindings_types = "1"
+}
+
 dart_embedder_package("dart_embedder_package_network") {
   package = "mojo/public/interfaces/network"
   destination = "mojo/mojo"
@@ -143,8 +150,8 @@ dart_embedder_resources("generate_dart_embedder_service_isolate_resources_cc") {
 
 action("generate_snapshot_bin") {
   deps = [
-    "//dart/runtime/bin:gen_snapshot($host_toolchain)",
     ":dart_embedder_packages",
+    "//dart/runtime/bin:gen_snapshot($host_toolchain)",
   ]
   inputs = [
     "snapshot.dart",