Resolve obvious deprecation warnings on bleeding edge

lib/src/utils.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.
 
 /// Holds a couple utility functions used at various places in the system.
 
 import 'dart:io';
 import 'package:path/path.dart' as path;
-import 'package:analyzer/src/generated/ast.dart'
+import 'package:analyzer/dart/ast/ast.dart'
     show
         ImportDirective,
         ExportDirective,
         PartDirective,
         CompilationUnit,
         Identifier,
         AnnotatedNode,
         AstNode,
         Expression,
         SimpleIdentifier,
         MethodInvocation;
+import 'package:analyzer/dart/element/element.dart';
+import 'package:analyzer/dart/element/type.dart';
 import 'package:analyzer/src/generated/constant.dart' show DartObject;
-import 'package:analyzer/src/generated/element.dart';
+//TODO(leafp): Remove deprecated dependency
+//ignore: DEPRECATED_MEMBER_USE
+import 'package:analyzer/src/generated/element.dart' show DynamicTypeImpl;
 import 'package:analyzer/src/generated/engine.dart' show AnalysisContext;
 import 'package:analyzer/src/generated/error.dart' show ErrorCode;
 import 'package:analyzer/src/task/dart.dart' show ParseDartTask;
 import 'package:analyzer/src/generated/resolver.dart' show TypeProvider;
 import 'package:analyzer/src/generated/source.dart' show LineInfo, Source;
 import 'package:analyzer/analyzer.dart' show parseDirectives;
 import 'package:crypto/crypto.dart' show CryptoUtils, MD5;
 import 'package:source_span/source_span.dart';
 
 import 'codegen/js_names.dart' show invalidVariableName;
@@ skipping 432 matching lines @@
     _ensureParentExists(destination);
     new File(source).copySync(destination);
   }
 
   void writeAsStringSync(String file, String contents) {
     _ensureParentExists(file);
     new File(file).writeAsStringSync(contents);
   }
 }
 
+//TODO(leafp): Is this really necessary?  In theory I think
+// the static type should always be filled in for resolved
+// ASTs.  This may be a vestigial workaround.
 DartType getStaticType(Expression e) =>
     e.staticType ?? DynamicTypeImpl.instance;
 
 // TODO(leafp) Factor this out or use an existing library
 class Tuple2<T0, T1> {
   final T0 e0;
   final T1 e1;
   Tuple2(this.e0, this.e1);
 }