upgrade dependencies, including migration to package:test

lib/src/codegen/dart_codegen.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.
 
 library dev_compiler.src.codegen.dart_codegen;
 
 import 'dart:io' show File;
 
 import 'package:analyzer/analyzer.dart' as analyzer;
 import 'package:analyzer/src/generated/ast.dart';
 import 'package:analyzer/src/generated/element.dart';
 import 'package:analyzer/src/generated/java_core.dart' as java_core;
 import 'package:analyzer/src/generated/scanner.dart' show Token;
-import 'package:dart_style/dart_style.dart';
 import 'package:logging/logging.dart' as logger;
 import 'package:path/path.dart' as path;
 
 import 'package:dev_compiler/devc.dart' show AbstractCompiler;
 import 'package:dev_compiler/src/info.dart';
 import 'package:dev_compiler/src/options.dart';
 import 'package:dev_compiler/src/utils.dart' as utils;
 import 'ast_builder.dart';
 import 'code_generator.dart' as codegenerator;
 import 'reify_coercions.dart'
@@ skipping 63 matching lines @@
 // TODO(leafp) This is kind of a hack, but it works for now.
 class FileWriter extends java_core.PrintStringWriter {
   final CompilerOptions options;
   String _path;
   FileWriter(this.options, this._path);
   int indent = 0;
   int withinInterpolationExpression = 0;
   bool insideForLoop = false;
 
   void print(x) {
-    if (!options.cheapTestFormat) {
+    if (!options.formatOutput) {
       super.print(x);
       return;
     }
 
     switch (x) {
       case '{':
         indent++;
         x = '{\n${"  " * indent}';
         break;
       case ';':
@@ skipping 17 matching lines @@
           indent--;
           x = '}\n${"  " * indent}';
         }
         break;
     }
     super.print(x);
   }
 
   void finalize() {
     String s = toString();
-    if (options.formatOutput && !options.cheapTestFormat) {
-      DartFormatter d = new DartFormatter();
-      try {
-        _log.fine("Formatting file $_path ");
-        s = d.format(s, uri: _path);
-      } catch (e) {
-        _log.severe("Failed to format $_path: " + e.toString());
-      }
-    }
     _log.fine("Writing file $_path");
     new File(_path).writeAsStringSync(s);
   }
 }
 
 bool _identifierNeedsQualification(Identifier id, NewTypeIdDesc desc) {
   var library = desc.importedFrom;
   if (library == null) return false;
   if (library.isDartCore) return false;
   if (desc.fromCurrent) return false;
@@ skipping 302 matching lines @@
   void generateUnit(CompilationUnit unit, LibraryInfo info, String libraryDir) {
     var uri = unit.element.source.uri;
     _log.fine("Emitting original unit " + uri.toString());
     FileWriter out = new FileWriter(
         options, path.join(libraryDir, '${uri.pathSegments.last}'));
     var unitGen = new EmptyUnitGenerator(unit, out);
     unitGen.generate();
     out.finalize();
   }
 }