Dart: Reorganize files

mojo/dart/dart_snapshotter/BUILD.gn

Index: mojo/dart/dart_snapshotter/BUILD.gn
diff --git a/mojo/dart/dart_snapshotter/BUILD.gn b/mojo/dart/dart_snapshotter/BUILD.gn
deleted file mode 100644
index af9db33d1bd8587cb63f4e2e8826162b55e3eed9..0000000000000000000000000000000000000000
--- a/mojo/dart/dart_snapshotter/BUILD.gn
+++ /dev/null
@@ -1,28 +0,0 @@
-# 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.
-
-executable("dart_snapshotter") {
-  sources = [
-    "main.cc",
-    "vm.cc",
-    "vm.h",
-  ]
-
-  deps = [
-    "//base",
-    "//build/config/sanitizers:deps",
-    "//dart/runtime/vm:libdart_platform",
-    "//dart/runtime:libdart",
-    "//mojo/common",
-    "//mojo/dart/embedder:dart_snapshot_cc",
-    "//mojo/edk/base_edk",
-    "//mojo/edk/system",
-    "//mojo/environment:chromium",
-    "//mojo/public/cpp/system",
-    "//mojo/public/cpp/utility",
-    "//mojo/public/interfaces/application",
-    "//third_party/zlib",
-    "//tonic",
-  ]
-}