Update charted to 0.4.8 and roll

packages/package_config/test/parse_write_test.dart

 // Copyright (c) 2015, 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 package_config.parse_write_test;
 
 import "package:package_config/packages_file.dart";
 import "package:test/test.dart";
 
 main() {
@@ skipping 34 matching lines @@
       roundTripTest("empty", {});
       roundTripTest("lower directory", {"foo": lowerDir});
       roundTripTest("higher directory", {"foo": higherDir});
       roundTripTest("parallel directory", {"foo": parallelDir});
       roundTripTest("same directory", {"foo": baseDir});
       roundTripTest("root directory", {"foo": rootDir});
       roundTripTest("file directory", {"foo": fileDir});
       roundTripTest("http directory", {"foo": httpDir});
       roundTripTest("other scheme directory", {"foo": otherDir});
       roundTripTest("multiple same-type directories",
-                    {"foo": lowerDir, "bar": higherDir, "baz": parallelDir});
+          {"foo": lowerDir, "bar": higherDir, "baz": parallelDir});
       roundTripTest("multiple scheme directories",
-                    {"foo": fileDir, "bar": httpDir, "baz": otherDir});
-      roundTripTest("multiple scheme directories and mutliple same type",
-                    {"foo": fileDir, "bar": httpDir, "baz": otherDir,
-                     "qux": lowerDir, "hip": higherDir, "dep": parallelDir});
+          {"foo": fileDir, "bar": httpDir, "baz": otherDir});
+      roundTripTest("multiple scheme directories and mutliple same type", {
+        "foo": fileDir,
+        "bar": httpDir,
+        "baz": otherDir,
+        "qux": lowerDir,
+        "hip": higherDir,
+        "dep": parallelDir
+      });
     });
   }
 
   testBase("file:///base1/base2/");
   testBase("http://example.com/base1/base2/");
   testBase("other:/base1/base2/");
 
   // Check that writing adds the comment.
   test("write preserves comment", () {
     var comment = "comment line 1\ncomment line 2\ncomment line 3";
     var result = writeToString({}, comment: comment);
     // Comment with "# " before each line and "\n" after last.
     var expectedComment =
         "# comment line 1\n# comment line 2\n# comment line 3\n";
     expect(result, startsWith(expectedComment));
   });
 }
 
-String writeToString(Map map, {Uri baseUri, String comment}) {
+String writeToString(Map<String, Uri> map, {Uri baseUri, String comment}) {
   var buffer = new StringBuffer();
   write(buffer, map, baseUri: baseUri, comment: comment);
   return buffer.toString();
 }