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

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 98cdc91939bf1016b469aabac29b6860f2467573..495a04714af6d001be37f78f741982e536e6f0e0 100644
--- a/mojo/dart/embedder/BUILD.gn
+++ b/mojo/dart/embedder/BUILD.gn
@@ -4,6 +4,7 @@
 
 source_set("dart_controller_no_snapshot") {
   sources = [
+    "$target_gen_dir/dart_embedder_patch_resources.cc",
     "builtin.cc",
     "builtin.h",
     "builtin_natives.cc",
@@ -12,7 +13,6 @@ source_set("dart_controller_no_snapshot") {
     "isolate_data.h",
     "mojo_natives.cc",
     "mojo_natives.h",
-    "$target_gen_dir/dart_embedder_patch_resources.cc",
   ]
 
   deps = [
@@ -39,11 +39,7 @@ source_set("dart_controller_no_snapshot") {
 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 = [
@@ -51,14 +47,8 @@ action("generate_dart_embedder_patch_resources_cc") {
   ]
 
   # 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"
@@ -74,10 +64,6 @@ action("generate_dart_embedder_patch_resources_cc") {
     "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,
   ]
 }