Revert "Move dart2js from sdk/lib/_internal/compiler to pkg/compiler"

tests/compiler/dart2js/analyze_helper.dart

 // Copyright (c) 2013, 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 analyze_helper;
 
 import 'dart:async';
 import 'dart:io';
 import 'package:compiler/compiler.dart' as api;
-import 'package:compiler/src/apiimpl.dart';
-import 'package:compiler/src/dart2jslib.dart'
+import 'package:compiler/implementation/apiimpl.dart';
+import 'package:compiler/implementation/dart2jslib.dart'
     hide Compiler;
-import 'package:compiler/src/filenames.dart';
-import 'package:compiler/src/source_file_provider.dart';
-import 'package:compiler/src/util/uri_extras.dart';
+import 'package:compiler/implementation/filenames.dart';
+import 'package:compiler/implementation/source_file_provider.dart';
+import 'package:compiler/implementation/util/uri_extras.dart';
 
 /**
  * Map of whitelisted warnings and errors.
  *
  * Only add a whitelisting together with a bug report to dartbug.com and add
  * the bug issue number as a comment on the whitelisting.
  *
  * Use an identifiable suffix of the file uri as key. Use a fixed substring of
  * the error/warning message in the list of whitelistings for each file.
  */
@@ skipping 109 matching lines @@
 Future analyze(List<Uri> uriList,
                Map<String, List<String>> whiteList,
                {bool analyzeAll: true,
                 CheckResults checkResults}) {
   String testFileName =
       relativize(Uri.base, Platform.script, Platform.isWindows);
 
   print("""
 
 
-===
+=== 
 === NOTE: If this test fails, update [WHITE_LIST] in $testFileName
 ===
 
 
 """);
 
   var libraryRoot = currentDirectory.resolve('sdk/');
-  var packageRoot =
-      currentDirectory.resolveUri(new Uri.file('${Platform.packageRoot}/'));
   var provider = new CompilerSourceFileProvider();
   var handler = new CollectingDiagnosticHandler(whiteList, provider);
   var options = <String>['--analyze-only', '--categories=Client,Server'];
   if (analyzeAll) options.add('--analyze-all');
   var compiler = new Compiler(
       provider.readStringFromUri,
       null,
       handler.diagnosticHandler,
-      libraryRoot, packageRoot,
+      libraryRoot, libraryRoot,
       options,
       {});
   String MESSAGE = """
 
 
-===
+=== 
 === ERROR: Unexpected result of analysis.
-===
+=== 
 === Please update [WHITE_LIST] in $testFileName
-===
+=== 
 """;
 
   void onCompletion(_) {
     bool result;
     if (checkResults != null) {
       result = checkResults(compiler, handler);
     } else {
       result = handler.checkResults();
     }
     if (!result) {
       print(MESSAGE);
       exit(1);
     }
   }
   if (analyzeAll) {
     compiler.librariesToAnalyzeWhenRun = uriList;
     return compiler.run(null).then(onCompletion);
   } else {
     return compiler.run(uriList.single).then(onCompletion);
   }
 }