a few small refactorings to closure workarounds

test/codegen_test.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.
 
 /// Tests code generation.
 /// Runs Dart Dev Compiler on all input in the `codegen` directory and checks
 /// that the output is what we expected.
 library dev_compiler.test.codegen_test;
 
 import 'dart:io';
@@ skipping 189 matching lines @@
       setUp(() {
         savedLogger = AnalysisEngine.instance.logger;
         AnalysisEngine.instance.logger = new PrintLogger();
       });
       tearDown(() {
         AnalysisEngine.instance.logger = savedLogger;
       });
 
       test('devc dart:core', () {
         var testSdkContext = createAnalysisContextWithSources(
-            new SourceResolverOptions(
-                dartSdkPath:
-                    path.join(testDirectory, '..', 'tool', 'generated_sdk')));
+            new SourceResolverOptions(dartSdkPath: path.join(
+                testDirectory, '..', 'tool', 'generated_sdk')));
 
         // Get the test SDK. We use a checked in copy so test expectations can
         // be generated against a specific SDK version.
         var compiler = createCompiler(testSdkContext, checkSdk: true);
         compile(compiler, 'dart:core');
         var outFile = new File(path.join(expectDir, 'dart/core.js'));
         expect(outFile.existsSync(), true,
             reason: '${outFile.path} was created for dart:core');
       });
     });
@@ skipping 31 matching lines @@
     for (var filepath in expectedFiles) {
       var outFile = new File(path.join(expectDir, filepath));
       expect(outFile.existsSync(), success,
           reason: '${outFile.path} was created iff compilation succeeds');
     }
   });
 }
 
 /// An implementation of analysis engine's [Logger] that prints.
 class PrintLogger implements Logger {
-  @override void logError(String message, [CaughtException exception]) {
+  @override
+  void logError(String message, [CaughtException exception]) {
     print('[AnalysisEngine] error $message $exception');
   }
 
   void logInformation(String message, [CaughtException exception]) {}
   void logInformation2(String message, Object exception) {}
 }