Clean up leg.dart.

dart/tests/compiler/dart2js/cpa_inference_test.dart

-#import("dart:uri");
-#import("../../../lib/compiler/implementation/elements/elements.dart");
-#import('../../../lib/compiler/implementation/scanner/scannerlib.dart');
-#import('../../../lib/compiler/implementation/source_file.dart');
-#import('../../../lib/compiler/implementation/types/types.dart');
-#import('../../../lib/compiler/implementation/tree/tree.dart');
-#import("../../../lib/compiler/implementation/leg.dart", prefix: "leg");
+// Copyright (c) 2012, 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.
 
-#import("parser_helper.dart");
-#import("compiler_helper.dart");
-#import("mock_compiler.dart");
+import "dart:uri";
+import "../../../lib/compiler/implementation/elements/elements.dart";
+import '../../../lib/compiler/implementation/scanner/scannerlib.dart';
+import '../../../lib/compiler/implementation/source_file.dart';
+import '../../../lib/compiler/implementation/types/types.dart';
+import '../../../lib/compiler/implementation/tree/tree.dart';
+import "../../../lib/compiler/implementation/dart2jslib.dart" as leg;
+
+import "parser_helper.dart";
+import "compiler_helper.dart";
+import "mock_compiler.dart";
 
 /**
  * Finds the node corresponding to the last occurence of the substring
  * [: identifier; :] in the program represented by the visited AST.
  */
 class VariableFinderVisitor extends Visitor {
   final String identifier;
   Node result;
 
   VariableFinderVisitor(this.identifier);
@@ skipping 359 matching lines @@
   testMutuallyRecusiveFunction();
   testConstructor();
   testGetters();
   testSetters();
   testNamedParameters();
   testListLiterals();
   testMapLiterals();
   testReturn();
   // testNoReturn(); // right now we infer the empty type instead of null
 }