All strong mode cleaning of dart2js.

tests/compiler/dart2js/type_equals_test.dart

 // 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 "package:expect/expect.dart";
 import "package:async_helper/async_helper.dart";
 import 'package:compiler/src/elements/resolution_types.dart';
 import "compiler_helper.dart";
 
-bool test(compiler, String name1, String name2, {bool expect}) {
+test(compiler, String name1, String name2, {bool expect}) {
   Expect.isTrue((expect != null), 'required parameter "expect" not given');
-  var clazz = findElement(compiler, "Class");
+  dynamic clazz = findElement(compiler, "Class");
   clazz.ensureResolved(compiler.resolution);
-  var element1 = clazz.buildScope().lookup(name1);
-  var element2 = clazz.buildScope().lookup(name2);
+  dynamic element1 = clazz.buildScope().lookup(name1);
+  dynamic element2 = clazz.buildScope().lookup(name2);
   Expect.isNotNull(element1);
   Expect.isNotNull(element2);
   Expect.equals(element1.kind, ElementKind.FUNCTION);
   Expect.equals(element2.kind, ElementKind.FUNCTION);
   element1.computeType(compiler.resolution);
   element2.computeType(compiler.resolution);
   FunctionSignature signature1 = element1.functionSignature;
   FunctionSignature signature2 = element2.functionSignature;
 
   // Function signatures are used to be to provide void types (only occurring as
@@ skipping 84 matching lines @@
         test(compiler, "ListInt1", "ListString1", expect: false);
         test(compiler, "ListString1", "MapIntString1", expect: false);
         test(compiler, "MapIntString1", "TypeVar1", expect: false);
         test(compiler, "TypeVar1", "Function1a", expect: false);
         test(compiler, "Function1a", "Function1b", expect: false);
         test(compiler, "Function1b", "Typedef1a", expect: false);
         test(compiler, "Typedef1a", "Typedef1b", expect: false);
         test(compiler, "Typedef1b", "Typedef1c", expect: false);
       }));
 }