Remove frogsh.

dart/utils/apidoc/html_diff_dump.dart

 // Copyright (c) 2012, 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.
 
 /**
  * A script for printing a JSON dump of HTML diff data. In particular, this
  * lists a map of `dart:dom` methods that have been renamed to `dart:html`
  * methods without changing their semantics, and `dart:dom` methods that have
  * been removed in `dart:html`. As a heuristic, a `dart:html` method doesn't
  * change the semantics of the corresponding `dart:dom` method if it's the only
  * corresponding HTML method and it has the corresponding return type.
  *
  * The format of the output is as follows:
  *
  *   {
  *     "renamed": { domName: htmlName, ... },
  *     "removed": [name, ...]
  *   }
  *
  * Note that the removed members are listed with the names they would have in
  * HTML where possible; e.g. `HTMLMediaElement.get:textTracks` is listed as
  * `MediaElement.get:textTracks`.
  */
 #library('html_diff_dump');
 
 #import('dart:json');
 #import('html_diff.dart');
 #import('../../frog/lang.dart');
-#import('../../frog/file_system_node.dart');
 
 HtmlDiff diff;
 
 /** Whether or not a domType represents the same type as an htmlType. */
 bool sameType(Type domType, Type htmlType) {
   if (domType.isVoid || htmlType.isVoid) {
     return domType.isVoid && htmlType.isVoid;
   }
 
   final htmlTypes = diff.domTypesToHtml[domType];
@@ skipping 88 matching lines @@
           if (member.canSet && !htmlMembers.some((m) => m.name.startsWith('set:'))) {
             removed.add(htmlishMemberDesc(member.setter));
           }
         }
       }
     }
   }
 
   print(JSON.stringify({'renamed': renamed, 'removed': removed}));
 }