Fix dangling ddc references in libraries.dart

sdk/lib/_internal/sdk_library_metadata/lib/libraries.dart

 // 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.
 
 library libraries;
 
 /**
  * A bit flag used by [LibraryInfo] indicating that a library is used by dart2js
  */
 const int DART2JS_PLATFORM = 1;
@@ skipping 24 matching lines @@
 
 /// Mapping of "dart:" library name (e.g. "core") to information about that
 /// library.
 const Map<String, LibraryInfo> libraries = const {
   "async": const LibraryInfo(
       "async/async.dart",
       categories: "Client,Server",
       maturity: Maturity.STABLE,
       dart2jsPatchPath: "_internal/js_runtime/lib/async_patch.dart"),
 
-  "_blink": const LibraryInfo(
-      "_blink/dartium/_blink_dartium.dart",
-      categories: "Client",
-      implementation: true,
-      documented: false,
-      platforms: VM_PLATFORM),
-
-  "_chrome": const LibraryInfo(
-      "_chrome/dart2js/chrome_dart2js.dart",
-      categories: "Client",
-      documented: false),
-
   "collection": const LibraryInfo(
       "collection/collection.dart",
       categories: "Client,Server,Embedded",
       maturity: Maturity.STABLE,
       dart2jsPatchPath: "_internal/js_runtime/lib/collection_patch.dart"),
 
   "convert": const LibraryInfo(
       "convert/convert.dart",
       categories: "Client,Server",
       maturity: Maturity.STABLE,
@@ skipping 64 matching lines @@
       "mirrors/mirrors.dart",
       categories: "Client,Server",
       maturity: Maturity.UNSTABLE,
       dart2jsPatchPath: "_internal/js_runtime/lib/mirrors_patch.dart"),
 
   "nativewrappers": const LibraryInfo(
       "html/dartium/nativewrappers.dart",
       categories: "Client",
       implementation: true,
       documented: false,
-      platforms: VM_PLATFORM),
+      dart2jsPath: "html/dart2js/nativewrappers.dart"),

[Jennifer Messerly, 2017/03/07 19:43:52]

does this have any bad effects for dart2js?

 
   "typed_data": const LibraryInfo(
       "typed_data/typed_data.dart",
       categories: "Client,Server,Embedded",
       maturity: Maturity.STABLE,
       dart2jsPatchPath: "_internal/js_runtime/lib/typed_data_patch.dart"),
 
   "_native_typed_data": const LibraryInfo(
       "_internal/js_runtime/lib/native_typed_data.dart",
       categories: "",
@@ skipping 54 matching lines @@
       categories: "",
       documented: false,
       platforms: DART2JS_PLATFORM),
 
   "_js_mirrors": const LibraryInfo(
       "_internal/js_runtime/lib/js_mirrors.dart",
       categories: "",
       documented: false,
       platforms: DART2JS_PLATFORM),
 
-  "_js_names": const LibraryInfo(
-      "_internal/js_runtime/lib/js_names.dart",
-      categories: "",
-      documented: false,
-      platforms: DART2JS_PLATFORM),
-
   "_js_primitives": const LibraryInfo(
       "_internal/js_runtime/lib/js_primitives.dart",
       categories: "",
       documented: false,
       platforms: DART2JS_PLATFORM),
 
   "_js_embedded_names": const LibraryInfo(
       "_internal/js_runtime/lib/shared/embedded_names.dart",
       categories: "",
       documented: false,
       platforms: DART2JS_PLATFORM),
 
-  "_async_await_error_codes": const LibraryInfo(
-      "_internal/js_runtime/lib/shared/async_await_error_codes.dart",
-      categories: "",
-      documented: false,
-      platforms: DART2JS_PLATFORM),
-
   "_metadata": const LibraryInfo(
       "html/html_common/metadata.dart",
       categories: "",
       documented: false,
       platforms: DART2JS_PLATFORM),
 };
 
 /**
  * Information about a "dart:" library.
  */
@@ skipping 114 matching lines @@
   static const Maturity STABLE = const Maturity(4, "Stable",
       "The library is stable. API backwards-compatibility is guaranteed.\n"
       "However implementation details might change.");
 
   static const Maturity LOCKED = const Maturity(5, "Locked",
       "This library will not change except when serious bugs are encountered.");
 
   static const Maturity UNSPECIFIED = const Maturity(-1, "Unspecified",
       "The maturity for this library has not been specified.");
 }