Revert "Patched in Dartium JsInterop"

tools/dom/src/_chrome/file_system.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.
 
 // Generated from namespace: fileSystem
 
 part of chrome;
 
 /**
  * Types
@@ skipping 19 matching lines @@
 
   /*
    * Public accessors
    */
   /// This is the optional text description for this option. If not present, a
   /// description will be automatically generated; typically containing an
   /// expanded list of valid extensions (e.g. "text/html" may expand to "*.html,
   /// *.htm").
   String get description => JS('String', '#.description', this._jsObject);
 
-  set description(String description) {
+  void set description(String description) {
     JS('void', '#.description = #', this._jsObject, description);
   }
 
   /// Mime-types to accept, e.g. "image/jpeg" or "audio/*". One of mimeTypes or
   /// extensions must contain at least one valid element.
   List<String> get mimeTypes => JS('List<String>', '#.mimeTypes', this._jsObject);
 
-  set mimeTypes(List<String> mimeTypes) {
+  void set mimeTypes(List<String> mimeTypes) {
     JS('void', '#.mimeTypes = #', this._jsObject, mimeTypes);
   }
 
   /// Extensions to accept, e.g. "jpg", "gif", "crx".
   List<String> get extensions => JS('List<String>', '#.extensions', this._jsObject);
 
-  set extensions(List<String> extensions) {
+  void set extensions(List<String> extensions) {
     JS('void', '#.extensions = #', this._jsObject, extensions);
   }
 
 }
 
 class FilesystemChooseEntryOptions extends ChromeObject {
   /*
    * Public constructor
    */
   FilesystemChooseEntryOptions({String type, String suggestedName, List<FilesystemAcceptOption> accepts, bool acceptsAllTypes}) {
@@ skipping 11 matching lines @@
    * Private constructor
    */
   FilesystemChooseEntryOptions._proxy(_jsObject) : super._proxy(_jsObject);
 
   /*
    * Public accessors
    */
   /// Type of the prompt to show. The default is 'openFile'.
   String get type => JS('String', '#.type', this._jsObject);
 
-  set type(String type) {
+  void set type(String type) {
     JS('void', '#.type = #', this._jsObject, type);
   }
 
   /// The suggested file name that will be presented to the user as the default
   /// name to read or write. This is optional.
   String get suggestedName => JS('String', '#.suggestedName', this._jsObject);
 
-  set suggestedName(String suggestedName) {
+  void set suggestedName(String suggestedName) {
     JS('void', '#.suggestedName = #', this._jsObject, suggestedName);
   }
 
   /// The optional list of accept options for this file opener. Each option will
   /// be presented as a unique group to the end-user.
   List<FilesystemAcceptOption> get accepts {
     List<FilesystemAcceptOption> __proxy_accepts = new List<FilesystemAcceptOption>();
     int count = JS('int', '#.accepts.length', this._jsObject);
     for (int i = 0; i < count; i++) {
       var item = JS('', '#.accepts[#]', this._jsObject, i);
       __proxy_accepts.add(new FilesystemAcceptOption._proxy(item));
     }
     return __proxy_accepts;
   }
 
-  set accepts(List<FilesystemAcceptOption> accepts) {
+  void set accepts(List<FilesystemAcceptOption> accepts) {
     JS('void', '#.accepts = #', this._jsObject, convertArgument(accepts));
   }
 
   /// Whether to accept all file types, in addition to the options specified in
   /// the accepts argument. The default is true. If the accepts field is unset or
   /// contains no valid entries, this will always be reset to true.
   bool get acceptsAllTypes => JS('bool', '#.acceptsAllTypes', this._jsObject);
 
-  set acceptsAllTypes(bool acceptsAllTypes) {
+  void set acceptsAllTypes(bool acceptsAllTypes) {
     JS('void', '#.acceptsAllTypes = #', this._jsObject, acceptsAllTypes);
   }
 
 }
 
 /**
  * Functions
  */
 
 class API_file_system {
@@ skipping 53 matching lines @@
   /// given file entry. Only the 500 most recently used entries are retained,
   /// where calls to retainEntry and restoreEntry count as use. If the app has
   /// the 'retainEntries' permission under 'fileSystem', entries are retained
   /// indefinitely. Otherwise, entries are retained only while the app is running
   /// and across restarts.
   String retainEntry(FileEntry fileEntry) => JS('String', '#.retainEntry(#)', this._jsObject, convertArgument(fileEntry));
 
   API_file_system(this._jsObject) {
   }
 }