Remove code that requires whole-program compile

lib/src/transformer/error_listener.dart

Index: lib/src/transformer/error_listener.dart
diff --git a/lib/src/transformer/error_listener.dart b/lib/src/transformer/error_listener.dart
deleted file mode 100644
index 411949c0edd731deceba2ec879d282774a66c809..0000000000000000000000000000000000000000
--- a/lib/src/transformer/error_listener.dart
+++ /dev/null
@@ -1,58 +0,0 @@
-// 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 dev_compiler.src.transformer.error_listener;
-
-import 'package:analyzer/analyzer.dart'
-    show AnalysisError, ErrorSeverity, AnalysisErrorListener;
-import 'package:analyzer/src/generated/engine.dart' show AnalysisContext;
-import 'package:barback/barback.dart' show TransformLogger, AssetId;
-import 'package:source_span/source_span.dart' show SourceSpan, SourceLocation;
-
-import 'uri_resolver.dart';
-
-typedef void _LoggingFunction(String message, {AssetId asset, SourceSpan span});
-
-class TransformAnalysisErrorListener extends AnalysisErrorListener {
-  final TransformLogger _logger;
-  final AnalysisContext _context;
-  TransformAnalysisErrorListener(this._logger, this._context);
-
-  @override
-  void onError(AnalysisError error) {
-    var content = error.source.contents.data;
-    var sourceUrl = error.source.uri.toString();
-    var lineInfo = _context.getLineInfo(error.source);
-    SourceLocation makeLocation(int offset) {
-      var location = lineInfo.getLocation(offset);
-      return new SourceLocation(offset,
-          sourceUrl: sourceUrl,
-          line: location.lineNumber,
-          column: location.columnNumber);
-    }
-    int start = error.offset;
-    int end = error.offset + error.length;
-    var assetId = resolveAssetId(error.source.uri);
-    var span = new SourceSpan(
-        makeLocation(start), makeLocation(end), content.substring(start, end));
-
-    var logger = _getLogger(error.errorCode.errorSeverity);
-    logger(error.message, asset: assetId, span: span);
-  }
-
-  _LoggingFunction _getLogger(ErrorSeverity severity) {
-    switch (severity) {
-      case ErrorSeverity.ERROR:
-        return _logger.error;
-      case ErrorSeverity.WARNING:
-        return _logger.warning;
-      case ErrorSeverity.INFO:
-        return _logger.info;
-      case ErrorSeverity.NONE:
-        return _logger.fine;
-      default:
-        throw new ArgumentError.value(severity, "severity", "not supported");
-    }
-  }
-}