Rename [call$...] properties to [$...] in compiled code.

tests/compiler/dart2js/compiler_helper.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.
 // Test constant folding.
 
 library compiler_helper;
 
 import 'dart:async';
 import "package:expect/expect.dart";
 
@@ skipping 71 matching lines @@
   js.JavaScriptBackend backend = compiler.backend;
   return backend.assembleCode(element);
 }
 
 // TODO(herhut): Disallow warnings and errors during compilation by default.
 MockCompiler compilerFor(String code, Uri uri,
                          {bool analyzeAll: false,
                           bool analyzeOnly: false,
                           String coreSource: DEFAULT_CORELIB,
                           bool disableInlining: true,
+                          bool minify: false,
                           int expectedErrors,
                           int expectedWarnings}) {
   MockCompiler compiler = new MockCompiler(
       analyzeAll: analyzeAll,
       analyzeOnly: analyzeOnly,
       coreSource: coreSource,
       disableInlining: disableInlining,
+      enableMinification: minify,
       expectedErrors: expectedErrors,
       expectedWarnings: expectedWarnings);
   compiler.sourceFiles[uri.toString()] =
       new StringSourceFile(uri.toString(), code);
   return compiler;
 }
 
 Future<String> compileAll(String code,
                           {String coreSource: DEFAULT_CORELIB,
                           bool disableInlining: true,
+                          bool minify: false,
                           int expectedErrors,
                           int expectedWarnings}) {
   Uri uri = new Uri(scheme: 'source');
   MockCompiler compiler = compilerFor(
       code, uri, coreSource: coreSource, disableInlining: disableInlining,
-      expectedErrors: expectedErrors, expectedWarnings: expectedWarnings);
+      minify: minify, expectedErrors: expectedErrors,
+      expectedWarnings: expectedWarnings);
   return compiler.runCompiler(uri).then((_) {
     Expect.isFalse(compiler.compilationFailed,
                    'Unexpected compilation error');
     return compiler.assembledCode;
   });
 }
 
 Future compileAndCheck(String code,
                        String name,
                        check(MockCompiler compiler, lego.Element element),
@@ skipping 103 matching lines @@
   final xRe = new RegExp('\\bx\\b');
   regexp = regexp.replaceAll(xRe, '(?:$anyIdentifier)');
   final spaceRe = new RegExp('\\s+');
   regexp = regexp.replaceAll(spaceRe, '(?:\\s*)');
   if (shouldMatch) {
     Expect.isTrue(new RegExp(regexp).hasMatch(generated));
   } else {
     Expect.isFalse(new RegExp(regexp).hasMatch(generated));
   }
 }