Remove obsolete http_base package

dart/pkg/http_base/lib/http_base.dart

Index: dart/pkg/http_base/lib/http_base.dart
diff --git a/dart/pkg/http_base/lib/http_base.dart b/dart/pkg/http_base/lib/http_base.dart
deleted file mode 100644
index 1cf469660d2004efdc1f8c1d754554e7649d07ee..0000000000000000000000000000000000000000
--- a/dart/pkg/http_base/lib/http_base.dart
+++ /dev/null
@@ -1,246 +0,0 @@
-// Copyright (c) 2014, 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.
-
-library http_base;
-
-import 'dart:async';
-
-/// These headers should be ignored by [Client]s when making requests and when
-/// receiving headers from a HTTP server.
-const List<String> _TRANSPORT_HEADERS =
-    const ['connection', 'upgrade', 'keep-alive', 'transfer-encoding'];
-
-/// These headers cannot be folded into one header value via ',' joining.
-const List<String> _COOKIE_HEADERS = const ['set-cookie', 'cookie'];
-
-/// Representation of a set of HTTP headers.
-abstract class Headers {
-  /// Returns the names of all header fields.
-  Iterable<String> get names;
-
-  /// Returns `true` if a header field of the specified [name] exist.
-  bool contains(String name);
-
-  /// Returns the value for the header field named [name].
-  ///
-  /// The HTTP standard supports multiple values for each header field name.
-  /// Header fields with multiple values can be represented as a
-  /// comma-separated list. If a header has multiple values the returned string
-  /// is the comma-separated list of all these values.
-  ///
-  /// For header field-names which do not allow combining multiple values with
-  /// comma, this index operator will throw `ArgumentError`.
-  /// This is currently the case for the 'Cookie' and 'Set-Cookie' headers. Use
-  /// `getMultiple` method to iterate over the header values for these.
-  String operator [](String name);
-
-  /// Returns the values for the header field named [name].
-  ///
-  /// The order in which the values for the field name appear is the same
-  /// as the order in which they are to be send or was received.
-  ///
-  /// If there are no header values named [name] `null` will be returned.
-  Iterable<String> getMultiple(String name);
-}
-
-
-/// Representation of a HTTP request.
-abstract class Request {
-  /// Request method.
-  String get method;
-
-  /// Request url.
-  Uri get url;
-
-  /// Request headers.
-  Headers get headers;
-
-  /// Request body.
-  Stream<List<int>> read();
-}
-
-
-/// Representation of a HTTP response.
-abstract class Response {
-  /// Response status code.
-  int get statusCode;
-
-  /// Response headers.
-  Headers get headers;
-
-  /// Response body.
-  Stream<List<int>> read();
-}
-
-
-/// Function for performing an HTTP request.
-///
-/// The [RequestHandler] may use any transport mechanism it wants
-/// (e.g. HTTP/1.1, HTTP/2.0, SPDY) to perform the HTTP request.
-///
-/// [RequestHandler]s are composable. E.g. A [RequestHandler] may add an
-/// 'Authorization' header to [request] and forward to another [RequestHandler].
-///
-/// A [RequestHandler] may ignore connection specific headers in [request] and
-/// may not present them in the [Response] object.
-///
-/// Connection specific headers:
-///    'Connection', 'Upgrade', 'Keep-Alive', 'Transfer-Encoding'
-typedef Future<Response> RequestHandler(Request request);
-
-
-/// An implementation of [Headers].
-class HeadersImpl implements Headers {
-  static const HeadersImpl Empty = const HeadersImpl.empty();
-
-  final Map<String, List<String>> _m;
-
-  /// Constructs a [HeadersImpl] with no headers.
-  const HeadersImpl.empty() : _m = const {};
-
-  /// Constructs a new [HeaderImpl] initialized with [map].
-  ///
-  /// [map] must contain only String keys and either String or
-  /// Iterable<String> values.
-  HeadersImpl(Map map) : _m = {} {
-    _addDiff(map);
-  }
-
-  /// Makes a copy of this [HeadersImpl] and replaces all headers in present in
-  /// [differenceMap].
-  ///
-  /// [differenceMap] must contain only String keys and either String or
-  /// Iterable<String> values.
-  HeadersImpl replace(Map differenceMap) {
-    var headers = new HeadersImpl({});
-    _m.forEach((String key, List<String> value) {
-      headers._m[key] = value;
-    });
-    headers._addDiff(differenceMap);
-    return headers;
-  }
-
-  void _addDiff(Map diff) {
-    diff.forEach((String key, value) {
-      key = key.toLowerCase();
-
-      if (value == null) {
-        _m.remove(key);
-      } else if (value is String) {
-        var values = new List(1);
-        values[0] = value;
-        _m[key] = values;
-      } else {
-        _m[key] = value.toList();
-      }
-    });
-  }
-
-  Iterable<String> get names => _m.keys;
-
-  bool contains(String name) =>  _m.containsKey(name.toLowerCase());
-
-  String operator [](String name) {
-    name = name.toLowerCase();
-
-    if (_COOKIE_HEADERS.contains(name)) {
-      throw new ArgumentError('Cannot use Headers[] with $name header.');
-    }
-
-    var values = _m[name];
-    if (values == null) return null;
-    if (values.length == 1) return values.first;
-    return values.join(',');
-  }
-
-  Iterable<String> getMultiple(String name) {
-    name = name.toLowerCase();
-    var values = _m[name];
-    if (values == null) return values;
-
-    if (_COOKIE_HEADERS.contains(name)) {
-      return values;
-    } else {
-      return values.expand((e) => e.split(',')).map((e) => e.trim());
-    }
-  }
-}
-
-
-/// Internal helper class to reduce code duplication between [RequestImpl]
-/// and [ResponseImpl].
-class _Message {
-  final Headers headers;
-  final Stream<List<int>> _body;
-  bool _bodyRead = false;
-
-  _Message(Headers headers_, body)
-      : headers = headers_ != null ? headers_ : HeadersImpl.Empty,
-        _body = body != null ? body : (new StreamController()..close()).stream;
-
-  /// Returns the [Stream] of bytes of this message.
-  ///
-  /// The body of a message can only be read once.
-  Stream<List<int>> read() {
-    if (_bodyRead) {
-      throw new StateError('The response stream has already been listened to.');
-    }
-    _bodyRead = true;
-    return _body;
-  }
-}
-
-
-/// An immutable implementation of [Request].
-///
-/// The request can be modified with the copy-on-write `replace` method.
-class RequestImpl extends _Message implements Request {
-  final String method;
-  final Uri url;
-
-  RequestImpl(this.method, this.url, {Headers headers, Stream<List<int>> body})
-      : super(headers, body);
-
-  /// Makes a copy of this [RequestImpl] by overriding `method`, `url`,
-  /// `headers` and `body` if they are not null.
-  ///
-  /// In case no [body] was supplied, the current `body` will be used and is
-  /// therefore no longer available to users. This is a transfer of the owner
-  /// of the body stream to the returned object.
-  RequestImpl replace(
-        {String method, Uri url, Headers headers, Stream<List<int>> body}) {
-    if (method == null) method = this.method;
-    if (url == null) url = this.url;
-    if (headers == null) headers = this.headers;
-    if (body == null) body = read();
-
-    return new RequestImpl(method, url, headers: headers, body: body);
-  }
-}
-
-
-/// An immutable implementation of [Response].
-///
-/// The response can be modified with the copy-on-write `replace` method.
-class ResponseImpl extends _Message implements Response {
-  final int statusCode;
-
-  ResponseImpl(this.statusCode, {Headers headers, Stream<List<int>> body})
-      : super(headers, body);
-
-  /// Returns a copy of this [ResponseImpl] by overriding `statusCode`,
-  /// `headers` and `body` if they are not null.
-  ///
-  /// In case no [body] was supplied, the current `body` will be used and is
-  /// therefore no longer available to users. This is a transfer of the owner
-  /// of the body stream to the returned object.
-  ResponseImpl replace(
-        {int statusCode, Headers headers, Stream<List<int>> body}) {
-    if (statusCode == null) statusCode = this.statusCode;
-    if (headers == null) headers = this.headers;
-    if (body == null) body = read();
-
-    return new ResponseImpl(statusCode, headers: headers, body: body);
-  }
-}