Clean up pub's exceptions.

sdk/lib/_internal/pub/bin/pub.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.
 
 import 'dart:async';
 import 'dart:io';
 
 import 'package:args/args.dart';
 import 'package:http/http.dart' as http;
 import 'package:path/path.dart' as path;
 import 'package:source_maps/source_maps.dart';
 import 'package:stack_trace/stack_trace.dart';
 
 import '../lib/src/command.dart';
+import '../lib/src/exceptions.dart';
 import '../lib/src/exit_codes.dart' as exit_codes;
 import '../lib/src/http.dart';
 import '../lib/src/io.dart';
 import '../lib/src/log.dart' as log;
 import '../lib/src/sdk.dart' as sdk;
 import '../lib/src/utils.dart';
 
 void main(List<String> arguments) {
   ArgResults options;
 
@@ skipping 77 matching lines @@
         log.json.error(error);
       }
     }
 
     if (options['trace'] || !isUserFacingException(error)) {
       log.error(chain.terse);
     } else {
       log.fine(chain.terse);
     }
 
-    if (error is ApplicationException && error.innerError != null) {
+    if (error is WrappedException && error.innerError != null) {
       var message = "Wrapped exception: ${error.innerError}";
-      if (error.innerTrace != null) message = "$message\n${error.innerTrace}";
+      if (error.innerChain != null) message = "$message\n${error.innerChain}";
       log.fine(message);
     }
 
     if (options['trace']) {
       log.dumpTranscript();
     } else if (!isUserFacingException(error)) {
       log.error("""
 This is an unexpected error. Please run
 
     pub --trace ${arguments.map((arg) => "'$arg'").join(' ')}
@@ skipping 87 matching lines @@
     if (Platform.operatingSystem != 'windows') return null;
 
     return runProcess('ver', []).then((result) {
       if (result.stdout.join('\n').contains('XP')) {
         log.error('Sorry, but pub is not supported on Windows XP.');
         return flushThenExit(exit_codes.USAGE);
       }
     });
   });
 }