dart2js: use IdGenerator for all id generation

pkg/compiler/lib/src/patch_parser.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.
 
 /**
  * This library contains the infrastructure to parse and integrate patch files.
  *
  * Three types of elements can be patched: [LibraryElement], [ClassElement],
  * [FunctionElement]. Patches are introduced in patch libraries which are loaded
  * together with the corresponding origin library. Which libraries that are
@@ skipping 159 matching lines @@
         return loader.processLibraryTags(patchLibrary);
       });
     });
   }
 
   void scanLibraryElements(CompilationUnitElement compilationUnit) {
     measure(() {
       // TODO(johnniwinther): Test that parts and exports are handled correctly.
       Script script = compilationUnit.script;
       Token tokens = new Scanner(script.file).tokenize();
-      Listener patchListener =
-          new PatchElementListener(compiler, compilationUnit, compiler);
+      Listener patchListener = new PatchElementListener(
+          compiler, compilationUnit, compiler.idGenerator);
       try {
         new PartialParser(patchListener, parserOptions).parseUnit(tokens);
       } on ParserError catch (e) {
         // No need to recover from a parser error in platform libraries, user
         // will never see this if the libraries are tested correctly.
         reporter.internalError(
             compilationUnit, "Parser error in patch file: $e");
       }
     });
   }
@@ skipping 420 matching lines @@
 
 class PatchVersion {
   final String tag;
 
   const PatchVersion(this.tag);
 
   bool isActive(String patchTag) => tag == null || tag == patchTag;
 
   String toString() => 'PatchVersion($tag)';
 }