Add support for building patched_sdk and platform.dill for dart2js:

pkg/front_end/lib/src/fasta/translate_uri.dart

 // Copyright (c) 2016, 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.
 
 library fasta.translate_uri;
 
 import 'dart:async' show Future;
 
 import 'package:package_config/packages_file.dart' as packages_file show parse;
 
@@ skipping 19 matching lines @@
     int index = uri.path.indexOf("/");
     if (index == -1) return null;
     String name = uri.path.substring(0, index);
     String path = uri.path.substring(index + 1);
     Uri root = packages[name];
     if (root == null) return null;
     return root.resolve(path);
   }
 
   static Future<TranslateUri> parse(Uri sdk, [Uri uri]) async {
-    // This list is generated with [bin/generate_dart_libraries.dart] below.
+    // This list below is generated with [bin/generate_dart_libraries.dart] and
+    // additional entries for _builtin, _vmservice, profiler, and vmservice_io.
     //
     // TODO(ahe): This is only used with the option --compile-sdk, and
     // currently doesn't work outside the SDK source tree.
     Map<String, Uri> dartLibraries = <String, Uri>{};
     if (sdk != null) {
       dartLibraries = <String, Uri>{
+        "_async_await_error_codes": sdk.resolve(
+            "lib/_internal/js_runtime/lib/shared/async_await_error_codes.dart"),
+        "_blink": sdk.resolve("lib/_blink/dartium/_blink_dartium.dart"),
+        "_builtin": sdk.resolve("lib/_builtin/_builtin.dart"),
+        "_chrome": sdk.resolve("lib/_chrome/dart2js/chrome_dart2js.dart"),
+        "_foreign_helper":
+            sdk.resolve("lib/_internal/js_runtime/lib/foreign_helper.dart"),
+        "_interceptors":
+            sdk.resolve("lib/_internal/js_runtime/lib/interceptors.dart"),
+        "_internal": sdk.resolve("lib/internal/internal.dart"),
+        "_isolate_helper":
+            sdk.resolve("lib/_internal/js_runtime/lib/isolate_helper.dart"),
+        "_js_embedded_names": sdk
+            .resolve("lib/_internal/js_runtime/lib/shared/embedded_names.dart"),
+        "_js_helper":
+            sdk.resolve("lib/_internal/js_runtime/lib/js_helper.dart"),
+        "_js_mirrors":
+            sdk.resolve("lib/_internal/js_runtime/lib/js_mirrors.dart"),
+        "_js_names": sdk.resolve("lib/_internal/js_runtime/lib/js_names.dart"),
+        "_js_primitives":
+            sdk.resolve("lib/_internal/js_runtime/lib/js_primitives.dart"),
+        "_metadata": sdk.resolve("lib/html/html_common/metadata.dart"),
+        "_native_typed_data":
+            sdk.resolve("lib/_internal/js_runtime/lib/native_typed_data.dart"),
+        "_vmservice": sdk.resolve("lib/vmservice/vmservice.dart"),
         "async": sdk.resolve("lib/async/async.dart"),
-        "_blink": sdk.resolve("lib/_blink/dartium/_blink_dartium.dart"),
-        "_chrome": sdk.resolve("lib/_chrome/dart2js/chrome_dart2js.dart"),
         "collection": sdk.resolve("lib/collection/collection.dart"),
         "convert": sdk.resolve("lib/convert/convert.dart"),
         "core": sdk.resolve("lib/core/core.dart"),
         "developer": sdk.resolve("lib/developer/developer.dart"),
         "html": sdk.resolve("lib/html/dartium/html_dartium.dart"),
         "html_common": sdk.resolve("lib/html/html_common/html_common.dart"),
         "indexed_db":
             sdk.resolve("lib/indexed_db/dartium/indexed_db_dartium.dart"),
         "io": sdk.resolve("lib/io/io.dart"),
         "isolate": sdk.resolve("lib/isolate/isolate.dart"),
         "js": sdk.resolve("lib/js/dartium/js_dartium.dart"),
         "js_util": sdk.resolve("lib/js_util/dartium/js_util_dartium.dart"),
         "math": sdk.resolve("lib/math/math.dart"),
         "mirrors": sdk.resolve("lib/mirrors/mirrors.dart"),
         "nativewrappers": sdk.resolve("lib/html/dartium/nativewrappers.dart"),
+        "profiler": sdk.resolve("lib/profiler/profiler.dart"),
+        "svg": sdk.resolve("lib/svg/dartium/svg_dartium.dart"),
         "typed_data": sdk.resolve("lib/typed_data/typed_data.dart"),
-        "svg": sdk.resolve("lib/svg/dartium/svg_dartium.dart"),
+        "vmservice_io": sdk.resolve("lib/vmservice_io/vmservice_io.dart"),
         "web_audio":
             sdk.resolve("lib/web_audio/dartium/web_audio_dartium.dart"),
         "web_gl": sdk.resolve("lib/web_gl/dartium/web_gl_dartium.dart"),
         "web_sql": sdk.resolve("lib/web_sql/dartium/web_sql_dartium.dart"),
-        "_internal": sdk.resolve("lib/internal/internal.dart"),
-        "profiler": sdk.resolve("lib/profiler/profiler.dart"),
-        "vmservice_io": sdk.resolve("lib/vmservice_io/vmservice_io.dart"),
-        "_vmservice": sdk.resolve("lib/vmservice/vmservice.dart"),
-        "_builtin": sdk.resolve("lib/_builtin/_builtin.dart"),
       };
     }
     uri ??= Uri.base.resolve(".packages");
     List<int> bytes =
         await readBytesFromFile(uri, ensureZeroTermination: false);
     Map<String, Uri> packages = const <String, Uri>{};
     try {
       packages = packages_file.parse(bytes, uri);
     } on FormatException catch (e) {
       return inputError(uri, e.offset, e.message);
     }
     return new TranslateUri(packages, dartLibraries);
   }
 }