Revert 28422

runtime/bin/vmservice/client/packages/observatory/src/observatory/request_manager.dart

Index: runtime/bin/vmservice/client/packages/observatory/src/observatory/request_manager.dart
diff --git a/runtime/bin/vmservice/client/packages/observatory/src/observatory/request_manager.dart b/runtime/bin/vmservice/client/packages/observatory/src/observatory/request_manager.dart
deleted file mode 100644
index a109eba4654b8d0eb6d621fe84f6cd198371c354..0000000000000000000000000000000000000000
--- a/runtime/bin/vmservice/client/packages/observatory/src/observatory/request_manager.dart
+++ /dev/null
@@ -1,64 +0,0 @@
-// 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.
-
-part of observatory;
-
-/// A request response interceptor is called for each response.
-typedef void RequestResponseInterceptor();
-
-abstract class RequestManager extends Object with ChangeNotifierMixin {
-  ObservatoryApplication _application;
-  ObservatoryApplication get application => _application;
-  RequestResponseInterceptor interceptor;
-
-  /// The default request prefix is 127.0.0.1 on port 8181.
-  @observable String get prefix => __$prefix; String __$prefix = 'http://127.0.0.1:8181'; set prefix(String value) { __$prefix = notifyPropertyChange(#prefix, __$prefix, value); }
-  /// List of responses.
-  @observable List<Map> get responses => __$responses; List<Map> __$responses = toObservable([]); set responses(List<Map> value) { __$responses = notifyPropertyChange(#responses, __$responses, value); }
-
-  /// Parse
-  void parseResponses(String responseString) {
-    var r = JSON.decode(responseString);
-    if (r is Map) {
-      setResponses([r]);
-    } else {
-      setResponses(r);
-    }
-  }
-
-  void setResponses(List<Map> r) {
-    responses = toObservable(r);
-    if (interceptor != null) {
-      interceptor();
-    }
-  }
-
-  void setResponseError(String error) {
-    setResponses([{
-      'type': 'RequestError',
-      'error': error
-    }]);
-  }
-
-  /// Request [requestString] from the VM service. Updates [responses].
-  /// Will trigger [interceptor] if one is set.
-  Future<Map> get(String requestString) {
-    request(requestString).then((responseString) {
-      parseResponses(responseString);
-    }).catchError((e) {
-      setResponseError(e.toString());
-    });
-  }
-
-  /// Abstract method. Given the [requestString], return a String in the
-  /// future which contains the reply from the VM service.
-  Future<String> request(String requestString);
-}
-
-
-class HttpRequestManager extends RequestManager {
-  Future<String> request(String requestString) {
-    return HttpRequest.getString(prefix + requestString);
-  }
-}