Revert "Fixing up Navigator.getUserMedia."

tools/dom/templates/html/impl/impl_Navigator.darttemplate

-// 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.
-
-part of $LIBRARYNAME;
-$ANNOTATIONS
-class $CLASSNAME$EXTENDS$IMPLEMENTS$NATIVESPEC {
-
-$if DART2JS
-  @DomName('Navigator.language')
-  String get language => JS('String', '#.language || #.userLanguage', this,
-      this);
-$endif
-
-  /**
-   * Gets a stream (video and or audio) from the local computer.
-   *
-   * Use [MediaStream.supported] to check if this is supported by the current
-   * platform.
-   *
-   * Example use:
-   *
-   *     window.navigator.getUserMedia(audio:true, video: true).then((stream) {
-   *       var video = new VideoElement()
-   *         ..autoplay = true
-   *         ..src = Url.createObjectUrl(stream);
-   *       document.body.append(video);
-   *     });
-   *
-   * See also:
-   * * [MediaStream.supported]
-   */
-  @DomName('Navigator.webkitGetUserMedia')
-  @SupportedBrowser(SupportedBrowser.CHROME)
-  @Experimental()
-  Future<LocalMediaStream> getUserMedia({bool audio=false, bool video=false}) {
-    var completer = new Completer<LocalMediaStream>();
-    var options = {
-      'audio': audio,
-      'video': video
-    };
-$if DART2JS
-    _ensureGetUserMedia();
-    this._getUserMedia(convertDartToNative_Dictionary(options),
-      (stream) {
-        completer.complete(stream);
-      },
-      (error) {
-        completer.completeError(error);
-      });
-$else
-    this._getUserMedia(options,
-      (stream) {
-        completer.complete(stream);
-      },
-      (error) {
-        completer.completeError(error);
-      });
-$endif
-    return completer.future;
-  }
-
-$if DART2JS
-  _ensureGetUserMedia() {
-    if (JS('bool', '!(#.getUserMedia)', this)) {
-      JS('void', '#.getUserMedia = '
-          '(#.getUserMedia || #.webkitGetUserMedia || #.mozGetUserMedia ||'
-          '#.msGetUserMedia)', this, this, this, this, this);
-    }
-  }
-
-  @JSName('getUserMedia')
-  void _getUserMedia(options, _NavigatorUserMediaSuccessCallback success,
-      _NavigatorUserMediaErrorCallback error) native;
-$endif
-
-$!MEMBERS
-}