Deprecate FileUriResolver and RelativeFileUriResolver in source_io.dart, replace the usages with Re…

pkg/analyzer/lib/file_system/memory_file_system.dart

 // 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 analyzer.file_system.memory_file_system;
 
 import 'dart:async';
 import 'dart:collection';
 import 'dart:core' hide Resource;
 
@@ skipping 433 matching lines @@
   @override
   String get shortName => file.shortName;
 
   @override
   UriKind get uriKind {
     String scheme = uri.scheme;
     if (scheme == PackageUriResolver.PACKAGE_SCHEME) {
       return UriKind.PACKAGE_URI;
     } else if (scheme == DartUriResolver.DART_SCHEME) {
       return UriKind.DART_URI;
-    } else if (scheme == FileUriResolver.FILE_SCHEME) {
+    } else if (scheme == ResourceUriResolver.FILE_SCHEME) {
       return UriKind.FILE_URI;
     }
     return UriKind.FILE_URI;
   }
 
   @override
   bool operator ==(other) {
     if (other is _MemoryFileSource) {
       return id == other.id;
     } else if (other is Source) {
@@ skipping 135 matching lines @@
   bool operator ==(other) {
     if (runtimeType != other.runtimeType) {
       return false;
     }
     return path == other.path;
   }
 
   @override
   String toString() => path;
 }