Resolve obvious deprecation warnings on bleeding edge

lib/src/compiler.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.
 
 /// Command line tool to run the checker on a Dart program.
 
 import 'dart:async';
 import 'dart:collection';
 import 'dart:math' as math;
 import 'dart:io';
 
-import 'package:analyzer/src/generated/ast.dart' show CompilationUnit;
-import 'package:analyzer/src/generated/element.dart';
+import 'package:analyzer/dart/ast/ast.dart' show CompilationUnit;
+import 'package:analyzer/dart/element/element.dart';
 import 'package:analyzer/src/generated/engine.dart'
     show AnalysisEngine, AnalysisContext, ChangeSet, ParseDartTask;
 import 'package:analyzer/src/generated/error.dart'
     show AnalysisError, ErrorSeverity, ErrorType;
 import 'package:analyzer/src/generated/error.dart';
 import 'package:analyzer/src/generated/source.dart' show Source;
 import 'package:analyzer/src/task/html.dart';
 import 'package:html/dom.dart' as html;
 import 'package:html/parser.dart' as html;
 import 'package:logging/logging.dart' show Level, Logger, LogRecord;
@@ skipping 511 matching lines @@
   var files = [
     'harmony_feature_check.js',
     'dart_library.js',
     'dart/_runtime.js',
   ];
   files.addAll(corelibOrder.map(coreToFile));
   return files;
 }();
 
 final _log = new Logger('dev_compiler.src.compiler');