Clean-up several warnings

pkg/analyzer/test/generated/all_the_rest_test.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.test.generated.all_the_rest_test;
 
 import 'dart:async';
 
 import 'package:analyzer/dart/ast/ast.dart';
 import 'package:analyzer/dart/ast/token.dart';
 import 'package:analyzer/dart/element/element.dart';
 import 'package:analyzer/dart/element/type.dart';
 import 'package:analyzer/error/error.dart';
 import 'package:analyzer/error/listener.dart';
 import 'package:analyzer/file_system/file_system.dart';
 import 'package:analyzer/file_system/memory_file_system.dart';
 import 'package:analyzer/file_system/physical_file_system.dart';
 import 'package:analyzer/src/dart/ast/utilities.dart' hide ConstantEvaluator;
 import 'package:analyzer/src/dart/element/builder.dart';
 import 'package:analyzer/src/dart/element/element.dart';
 import 'package:analyzer/src/dart/sdk/sdk.dart' hide SdkLibrariesReader;
 import 'package:analyzer/src/error/codes.dart';
 import 'package:analyzer/src/generated/engine.dart';
 import 'package:analyzer/src/generated/java_engine_io.dart';
 import 'package:analyzer/src/generated/java_io.dart';
 import 'package:analyzer/src/generated/resolver.dart';
 import 'package:analyzer/src/generated/sdk.dart';
-import 'package:analyzer/src/generated/sdk_io.dart'; // ignore: deprecated_member_use
+import 'package:analyzer/src/generated/sdk_io.dart';
 import 'package:analyzer/src/generated/source.dart';
 import 'package:analyzer/src/generated/source_io.dart';
 import 'package:analyzer/src/generated/testing/ast_test_factory.dart';
 import 'package:analyzer/src/generated/testing/element_factory.dart';
 import 'package:analyzer/src/generated/testing/test_type_provider.dart';
 import 'package:analyzer/src/generated/testing/token_factory.dart';
 import 'package:analyzer/src/generated/utilities_dart.dart';
 import 'package:analyzer/src/source/source_resource.dart';
 import 'package:path/path.dart' as path;
 import 'package:source_span/source_span.dart';
@@ skipping 902 matching lines @@
     ErrorReporter reporter = new ErrorReporter(listener, new TestSource());
 
     var src = '''
 foo: bar
 zap: baz
 ''';
 
     int offset = src.indexOf('baz');
     int length = 'baz'.length;
 
-    SourceSpan span = new SourceFile(src).span(offset, offset + length);
+    SourceSpan span = new SourceSpanBase(
+        new SourceLocation(offset), new SourceLocation(offset + length), 'baz');
 
     reporter.reportErrorForSpan(
         AnalysisOptionsWarningCode.UNSUPPORTED_OPTION_WITH_LEGAL_VALUE,
         span,
         ['test', 'zip', 'zap']);
     expect(listener.errors, hasLength(1));
     expect(listener.errors.first.offset, offset);
     expect(listener.errors.first.length, length);
   }
 
@@ skipping 1342 matching lines @@
     resourceProvider.newFile(
         coreIntPath,
         '''
 part of dart.core;
 ''');
     sdk = new FolderBasedDartSdk(resourceProvider, sdkFolder);
   }
 }
 
 class _SourceMock extends TypedMock implements Source {}