[infra] Translate _sources.gypi files to _sources.gni files

runtime/bin/io_impl_sources.gni

Index: runtime/bin/io_impl_sources.gni
diff --git a/runtime/bin/io_impl_sources.gni b/runtime/bin/io_impl_sources.gni
new file mode 100644
index 0000000000000000000000000000000000000000..e4396dcaeaa9486f2f7e2025a7e397ac4fd5779e
--- /dev/null
+++ b/runtime/bin/io_impl_sources.gni
@@ -0,0 +1,104 @@
+# Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
+# for details. All rights reserved. Use of this source code is governed by a
+# BSD-style license that can be found in the LICENSE file.
+
+# This file contains some C++ sources for the dart:io library.  The other
+# implementation files are in builtin_impl_sources.gypi.
+io_impl_sources = [
+  "eventhandler.cc",
+  "eventhandler.h",
+  "eventhandler_android.cc",
+  "eventhandler_android.h",
+  "eventhandler_fuchsia.cc",
+  "eventhandler_fuchsia.h",
+  "eventhandler_linux.cc",
+  "eventhandler_linux.h",
+  "eventhandler_macos.cc",
+  "eventhandler_macos.h",
+  "eventhandler_unsupported.cc",
+  "eventhandler_win.cc",
+  "eventhandler_win.h",
+  "file_system_watcher.cc",
+  "file_system_watcher.h",
+  "file_system_watcher_android.cc",
+  "file_system_watcher_fuchsia.cc",
+  "file_system_watcher_linux.cc",
+  "file_system_watcher_macos.cc",
+  "file_system_watcher_unsupported.cc",
+  "file_system_watcher_win.cc",
+  "filter.cc",
+  "filter.h",
+  "filter_unsupported.cc",
+  "io_service.cc",
+  "io_service.h",
+  "io_service_no_ssl.cc",
+  "io_service_no_ssl.h",
+  "io_service_unsupported.cc",
+  "platform.cc",
+  "platform.h",
+  "platform_android.cc",
+  "platform_fuchsia.cc",
+  "platform_linux.cc",
+  "platform_macos.cc",
+  "platform_unsupported.cc",
+  "platform_win.cc",
+  "process.cc",
+  "process.h",
+  "process_android.cc",
+  "process_fuchsia.cc",
+  "process_linux.cc",
+  "process_macos.cc",
+  "process_unsupported.cc",
+  "process_win.cc",
+  "reference_counting.h",
+  "root_certificates_unsupported.cc",
+  "secure_socket_filter.cc",
+  "secure_socket_filter.h",
+  "secure_socket_unsupported.cc",
+  "secure_socket_utils.cc",
+  "secure_socket_utils.h",
+  "security_context.cc",
+  "security_context.h",
+  "security_context_android.cc",
+  "security_context_fuchsia.cc",
+  "security_context_linux.cc",
+  "security_context_macos.cc",
+  "security_context_win.cc",
+  "socket.cc",
+  "socket.h",
+  "socket_android.cc",
+  "socket_base.cc",
+  "socket_base.h",
+  "socket_base_android.cc",
+  "socket_base_android.h",
+  "socket_base_fuchsia.cc",
+  "socket_base_fuchsia.h",
+  "socket_base_linux.cc",
+  "socket_base_linux.h",
+  "socket_base_macos.cc",
+  "socket_base_macos.h",
+  "socket_base_unsupported.cc",
+  "socket_base_win.cc",
+  "socket_base_win.h",
+  "socket_fuchsia.cc",
+  "socket_linux.cc",
+  "socket_macos.cc",
+  "socket_unsupported.cc",
+  "socket_win.cc",
+  "stdio.cc",
+  "stdio.h",
+  "stdio_android.cc",
+  "stdio_fuchsia.cc",
+  "stdio_linux.cc",
+  "stdio_macos.cc",
+  "stdio_unsupported.cc",
+  "stdio_win.cc",
+  "sync_socket.cc",
+  "sync_socket.h",
+  "sync_socket_android.cc",
+  "sync_socket_fuchsia.cc",
+  "sync_socket_linux.cc",
+  "sync_socket_macos.cc",
+  "sync_socket_unsupported.cc",
+  "sync_socket_win.cc",
+]