Rename new Uri.fromString to Uri.parse.

pkg/oauth2/lib/src/authorization_code_grant.dart

 // 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.
 
 library authorization_code_grant;
 
 import 'dart:async';
 import 'dart:uri';
 
 // TODO(nweiz): This should be a "package:" import. See issue 6745.
@@ skipping 167 matching lines @@
         } else if (parameters['state'] != _stateString) {
           throw new FormatException('Invalid OAuth response for '
               '"$authorizationEndpoint": parameter "state" expected to be '
               '"$_stateString", was "${parameters['state']}".');
         }
       }
 
       if (parameters.containsKey('error')) {
         var description = parameters['error_description'];
         var uriString = parameters['error_uri'];
-        var uri = uriString == null ? null : new Uri.fromString(uriString);
+        var uri = uriString == null ? null : Uri.parse(uriString);
         throw new AuthorizationException(parameters['error'], description, uri);
       } else if (!parameters.containsKey('code')) {
         throw new FormatException('Invalid OAuth response for '
             '"$authorizationEndpoint": did not contain required parameter '
             '"code".');
       }
 
       return _handleAuthorizationCode(parameters['code']);
     });
   }
@@ skipping 51 matching lines @@
   /// Closes the grant and frees its resources.
   ///
   /// This will close the underlying HTTP client, which is shared by the
   /// [Client] created by this grant, so it's not safe to close the grant and
   /// continue using the client.
   void close() {
     if (_httpClient != null) _httpClient.close();
     _httpClient = null;
   }
 }