Reapply class/method/field minification

sdk/lib/_internal/compiler/implementation/lib/js_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.
 
 library _js_helper;
 
 import 'dart:collection';
 
 part 'constant_map.dart';
 part 'native_helper.dart';
@@ skipping 962 matching lines @@
   throw new AbstractClassInstantiationError(className);
 }
 
 /**
  * Called from catch blocks in generated code to extract the Dart
  * exception from the thrown value. The thrown value may have been
  * created by [$throw] or it may be a 'native' JS exception.
  *
  * Some native exceptions are mapped to new Dart instances, others are
  * returned unmodified.
+ *
+ * TODO(erikcorry): Fix this to produce consistent result regardless of

[ngeoffray, 2012/12/10 08:55:42]

What's 'this' here?

[erikcorry, 2012/12/10 12:37:40]

I no longer recall, so I deleted the comment.

+ * minification.
  */
 unwrapException(ex) {
   // Note that we are checking if the object has the property. If it
   // has, it could be set to null if the thrown value is null.
   if (JS('bool', r'"dartException" in #', ex)) {
     return JS('', r'#.dartException', ex);
   }
 
   // Grab hold of the exception message. This field is available on
   // all supported browsers.
@@ skipping 690 matching lines @@
   int len = s.length;
   for (int i = 1; i < len; i++) {
     if (!isSubtype(s[i], t[i])) {
       return false;
     }
   }
   return true;
 }
 
 createRuntimeType(String name) => new TypeImpl(name);