Revert "Fix observatory tests broken by running dartfmt."

runtime/observatory/lib/src/cli/command.dart

 // Copyright (c) 2015, 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.
 
 part of cli;
 
 // Splits a line into a list of string args.  Each arg retains any
 // trailing whitespace so that we can reconstruct the original command
 // line from the pieces.
 List<String> _splitLine(String line) {
@@ skipping 235 matching lines @@
       return name;
     } else {
       Command parent = _parent;
       return '${parent.fullName} $name';
     }
   }
 
   toString() => 'Command(${name})';
 }
 
-abstract class CommandException implements Exception {}
+abstract class CommandException implements Exception {
+}
 
 class AmbiguousCommandException extends CommandException {
   AmbiguousCommandException(this.command, this.matches);
 
   final String command;
   final List<Command> matches;
 
   @override
   String toString() {
-    List<String> matchNames =
-        matches.map((Command command) => '${command.fullName}').toList();
+    List<String> matchNames = matches.map(
+        (Command command) => '${command.fullName}').toList();
     return "Command '$command' is ambiguous: $matchNames";
   }
 }
 
 class NoSuchCommandException extends CommandException {
   NoSuchCommandException(this.command);
 
   final String command;
 
   @override
   String toString() => "No such command: '$command'";
 }