Add browser-compatible version.

lib/src/io/io.dart

Index: lib/src/io/io.dart
diff --git a/lib/src/io.dart b/lib/src/io/io.dart
similarity index 89%
rename from lib/src/io.dart
rename to lib/src/io/io.dart
index ff8761b7bbb788e1c166e8e8ab1b17ad91c8bbb7..b24244d004686ea7eee694336ed5226a18070097 100644
--- a/lib/src/io.dart
+++ b/lib/src/io/io.dart
@@ -1,14 +1,13 @@
-// Copyright (c) 2015, the Dart project authors.  Please see the AUTHORS file
+// Copyright (c) 2016, 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.
 
-// dart:io based strategy for loading resources.
-
 import "dart:async" show Future, Stream;
 import "dart:convert" show Encoding, LATIN1, UTF8;
 import "dart:io" show
     File, HttpClient, HttpClientResponse, HttpClientRequest, HttpHeaders;
 import "dart:typed_data" show Uint8List;
+
 import "package:typed_data/typed_buffers.dart" show Uint8Buffer;
 
 /// Read the bytes of a URI as a stream of bytes.
@@ -18,7 +17,7 @@ Stream<List<int>> readAsStream(Uri uri) async* {
     return;
   }
   if (uri.scheme == "http" || uri.scheme == "https") {
-    HttpClientResponse response = await _httpGet(uri);
+    HttpClientResponse response = await _httpGetBytes(uri);
     yield* response;
     return;
   }
@@ -35,7 +34,7 @@ Future<List<int>> readAsBytes(Uri uri) async {
     return new File.fromUri(uri).readAsBytes();
   }
   if (uri.scheme == "http" || uri.scheme == "https") {
-    HttpClientResponse response = await _httpGet(uri);
+    HttpClientResponse response = await _httpGetBytes(uri);
     int length = response.contentLength;
     if (length < 0) length = 0;
     var buffer = new Uint8Buffer(length);
@@ -74,7 +73,7 @@ Future<String> readAsString(Uri uri, Encoding encoding) async {
       await for (var bytes in response) {
         buffer.addAll(bytes);
       }
-      var byteList = new Uint8List.view(buffer.buffer, 0, buffer.length);
+      var byteList = buffer.buffer.asUint8List(0, buffer.length);
       return new String.fromCharCodes(byteList);
     }
     return response.transform(encoding.decoder).join();
@@ -85,7 +84,7 @@ Future<String> readAsString(Uri uri, Encoding encoding) async {
   throw new UnsupportedError("Unsupported scheme: $uri");
 }
 
-Future<HttpClientResponse> _httpGet(Uri uri) async {
+Future<HttpClientResponse> _httpGetBytes(Uri uri) async {
   HttpClientRequest request = await new HttpClient().getUrl(uri);
     request.headers.set(HttpHeaders.ACCEPT, "application/octet-stream, */*");
   return request.close();