Nuke some whitespace in observatory

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 60 matching lines @@
       }
     }
     return matches;
   }
 
   // Returns the set of commands could be triggered by a list of
   // arguments.
   List<Command> _match(List<String> args, bool preferExact) {
     if (args.isEmpty) {
       return [];
-    }    
+    }
     bool lastArg = (args.length == 1);
     var matches = _matchLocal(args[0], !lastArg || preferExact);
     if (matches.isEmpty) {
       return [];
     } else if (matches.length == 1) {
       var childMatches =  matches[0]._match(args.sublist(1), preferExact);
       if (childMatches.isEmpty) {
         return matches;
       } else {
         return childMatches;
@@ skipping 148 matching lines @@
     if (_parent is RootCommand) {
       return name;
     } else {
       Command parent = _parent;
       return '${parent.fullName} $name';
     }
   }
 
   toString() => 'Command(${name})';
 }