Revert "Dart: 2++ = 3"

sky/engine/bindings2/BUILD.gn

Index: sky/engine/bindings2/BUILD.gn
diff --git a/sky/engine/bindings2/BUILD.gn b/sky/engine/bindings2/BUILD.gn
deleted file mode 100644
index 11b08a1086781920de24fc86344bd53fa9358a75..0000000000000000000000000000000000000000
--- a/sky/engine/bindings2/BUILD.gn
+++ /dev/null
@@ -1,73 +0,0 @@
-# Copyright 2015 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("bindings2") {
-  sources = [
-    "dart_master.h",
-    "dart_master.cc"
-  ]
-  deps = [
-    ":dart_controller",
-    "//dart/runtime/bin:libdart_withcore",
-    "//base:base"
-  ]
-}
-
-action("generate_snapshot_bin") {
-  deps = [
-    "//dart/runtime/bin:gen_snapshot($host_toolchain)",
-  ]
-  inputs = [
-    "snapshot.dart",
-    "//dart/runtime/tools/create_snapshot_bin.py",
-  ]
-  output = "$target_gen_dir/snapshot_gen.bin"
-  outputs = [
-    output,
-  ]
-
-  gen_snapshot_dir = get_label_info(
-      "//dart/runtime/bin:gen_snapshot($host_toolchain)", "root_out_dir")
-  script = "//dart/runtime/tools/create_snapshot_bin.py"
-  args = [
-    "--executable", rebase_path("$gen_snapshot_dir/gen_snapshot"),
-    "--package_root", rebase_path("$root_gen_dir"),
-    "--script", rebase_path("snapshot.dart"),
-    "--output_bin", rebase_path(output, root_build_dir),
-    "--target_os", os,
-  ]
-}
-
-action("generate_snapshot_file") {
-  deps = [
-    ":generate_snapshot_bin",
-  ]
-  inputs = [
-    "//dart/runtime/tools/create_snapshot_file.py",
-    "snapshot.cc.tmpl",
-    "$target_gen_dir/snapshot_gen.bin",
-  ]
-  output = "$target_gen_dir/snapshot.cc"
-  outputs = [
-    output,
-  ]
-
-  script = "//dart/runtime/tools/create_snapshot_file.py"
-  args = [
-    "--input_bin", rebase_path("$target_gen_dir/snapshot_gen.bin"),
-    "--input_cc", rebase_path("snapshot.cc.tmpl"),
-    "--output", rebase_path(output),
-  ]
-}
-
-source_set("dart_controller") {
-  sources = [
-    "$target_gen_dir/snapshot.cc",
-  ]
-
-  deps = [
-    ":generate_snapshot_file"
-  ]
-}
-