Dart: Removes all but native calls and the handle watcher from the snapshot.

mojo/dart/embedder/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.
 
 source_set("dart_controller_no_snapshot") {
   sources = [
+    "$target_gen_dir/dart_embedder_patch_resources.cc",
     "builtin.cc",
     "builtin.h",
     "builtin_natives.cc",
     "dart_controller.cc",
     "dart_controller.h",
     "isolate_data.h",
     "mojo_natives.cc",
     "mojo_natives.h",
-    "$target_gen_dir/dart_embedder_patch_resources.cc",
   ]
 
   deps = [
     ":generate_dart_embedder_patch_resources_cc",
     "//base",
     "//base:i18n",
     "//crypto",
     "//dart/runtime:libdart",
     "//dart/runtime/bin:libdart_embedder_noio",
     "//mojo/public/c/system",
     "//mojo/public/cpp/system",
   ]
 
   defines = []
   if (is_debug) {
     defines += [ "DEBUG" ]
   } else {
     defines += [ "NDEBUG" ]
   }
 
   include_dirs = [ "//dart/runtime" ]
 }
 
 action("generate_dart_embedder_patch_resources_cc") {
   inputs = [
     "//dart/runtime/tools/create_resources.py",
-    "//mojo/dart/embedder/core/buffer_patch.dart",
-    "//mojo/dart/embedder/core/data_pipe_patch.dart",
-    "//mojo/dart/embedder/core/handle_patch.dart",
-    "//mojo/dart/embedder/core/handle_watcher_patch.dart",
-    "//mojo/dart/embedder/core/message_pipe_patch.dart",
+    "//mojo/dart/embedder/core/natives_patch.dart",
   ]
   output = "$target_gen_dir/dart_embedder_patch_resources.cc"
   outputs = [
     output,
   ]
 
   # Patch files
-  buffer_patch_path = rebase_path("//mojo/dart/embedder/core/buffer_patch.dart")
-  data_pipe_patch_path =
-      rebase_path("//mojo/dart/embedder/core/data_pipe_patch.dart")
-  handle_patch_path = rebase_path("//mojo/dart/embedder/core/handle_patch.dart")
-  handle_watcher_patch_path =
-      rebase_path("//mojo/dart/embedder/core/handle_watcher_patch.dart")
-  message_pipe_patch_path =
-      rebase_path("//mojo/dart/embedder/core/message_pipe_patch.dart")
+  natives_patch_path =
+      rebase_path("//mojo/dart/embedder/core/natives_patch.dart")
 
   root_path = rebase_path("//mojo/dart/embedder/")
   script = "//dart/runtime/tools/create_resources.py"
 
   args = [
     "--output",
     rebase_path(output),
     "--outer_namespace",
     "mojo",
     "--inner_namespace",
     "dart",
     "--table_name",
     "dart_embedder_patch",
     "--root_prefix",
     root_path,
-    buffer_patch_path,
-    data_pipe_patch_path,
-    handle_patch_path,
-    handle_watcher_patch_path,
-    message_pipe_patch_path,
+    natives_patch_path,
   ]
 }