Revert "Minifying renamer for classes, methods and instance variables."

utils/compiler/build_helper.dart

Index: utils/compiler/build_helper.dart
diff --git a/utils/compiler/build_helper.dart b/utils/compiler/build_helper.dart
index 04452be3d06a7b76114b24f40a172744167aff24..0b4d29eca59e43fae3c312e51de7a984de86fca3 100644
--- a/utils/compiler/build_helper.dart
+++ b/utils/compiler/build_helper.dart
@@ -29,22 +29,19 @@ main() {
   List<String> productionScript = buildScript(
       'dart2js-production',
       dartUri, dartVmUri,
-      'lib/compiler/implementation/dart2js.dart',
-      '');
+      'lib/compiler/implementation/dart2js.dart', '');
   writeScript(productionUri, productionScript);
 
   List<String> developerScript = buildScript(
       'dart2js-developer',
       dartUri, dartVmUri,
-      'lib/compiler/implementation/dart2js.dart',
-      r' ${DART_VM_FLAGS:---enable_checked_mode}');
+      'lib/compiler/implementation/dart2js.dart', ' --enable_checked_mode');
   writeScript(developerUri, developerScript);
 
   List<String> dartdocScript = buildScript(
       'dartdoc',
       dartUri, dartVmUri,
-      'pkg/dartdoc/bin/dartdoc.dart',
-      '');
+      'pkg/dartdoc/bin/dartdoc.dart', '');
   writeScript(dartdocUri, dartdocScript);
 }