Make the dart:developer library available in DDC so debugger statement works

pkg/dev_compiler/tool/input_sdk/patch/developer_patch.dart

Index: pkg/dev_compiler/tool/input_sdk/patch/developer_patch.dart
diff --git a/pkg/dev_compiler/tool/input_sdk/patch/developer_patch.dart b/pkg/dev_compiler/tool/input_sdk/patch/developer_patch.dart
new file mode 100644
index 0000000000000000000000000000000000000000..93f19fb8777f45eca55b92aa5ed64be0bb0498a5
--- /dev/null
+++ b/pkg/dev_compiler/tool/input_sdk/patch/developer_patch.dart
@@ -0,0 +1,127 @@
+// Copyright (c) 2015, 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.
+
+// Patch file for dart:developer library.
+
+import 'dart:_js_helper' show patch, ForceInline;
+import 'dart:_foreign_helper' show JS;
+
+@patch
+// @ForceInline()
+bool debugger({bool when: true, String message}) {
+  if (when) {
+    JS('', 'debugger');
+  }
+  return when;
+}
+
+@patch
+Object inspect(Object object) {
+  return object;
+}
+
+@patch
+void log(String message,
+         {DateTime time,
+          int sequenceNumber,
+          int level: 0,
+          String name: '',
+          Zone zone,
+          Object error,
+          StackTrace stackTrace}) {
+  // TODO.
+}
+
+final _extensions = new Map<String, ServiceExtensionHandler>();
+
+@patch
+ServiceExtensionHandler _lookupExtension(String method) {
+  return _extensions[method];
+}
+
+@patch
+_registerExtension(String method, ServiceExtensionHandler handler) {
+  _extensions[method] = handler;
+}
+
+@patch
+_postEvent(String eventKind, String eventData) {
+  // TODO.
+}
+
+
+@patch
+bool _isDartStreamEnabled() {
+  return false;
+}
+
+@patch
+int _getTraceClock() {
+  // TODO.
+  return _clockValue++;
+}
+int _clockValue = 0;
+
+@patch
+int _getThreadCpuClock() {
+  return -1;
+}
+
+
+@patch
+void _reportCompleteEvent(int start,
+                          int startCpu,
+                          String category,
+                          String name,
+                          String argumentsAsJson) {
+  // TODO.
+}
+
+@patch
+void _reportInstantEvent(int start,
+                         String category,
+                         String name,
+                         String argumentsAsJson) {
+  // TODO.
+}
+
+@patch
+int _getNextAsyncId() {
+  return 0;
+}
+
+@patch
+int _getIsolateNum() {
+  return 0;
+}
+
+@patch
+void _reportTaskEvent(int start,
+                      int taskId,
+                      String phase,
+                      String category,
+                      String name,
+                      String argumentsAsJson) {
+ // TODO.
+}
+
+@patch
+int _getServiceMajorVersion() {
+  return 0;
+}
+
+@patch
+int _getServiceMinorVersion() {
+  return 0;
+}
+
+@patch
+void _getServerInfo(SendPort sp) {
+  sp.send(null);
+}
+
+@patch
+void _webServerControl(SendPort sp, bool enable) {
+  sp.send(null);
+}