Translate Java enums to Dart constants.

Translate Java enums to Dart constants.

1. Restore "this.field" field formal initializers.

2. Tweaks for several Java places - mostly to the constructors; but also duplicate HintCode messages (in Dart we cannot get values of constant values final fields).

3. Translate field that are not written to Dart final fields and also to field initializers, even if there are no property for them.

4. And constant enums.

5. pkg/code_transformers/test/resolver_test has to be skipped, I cannot fix it myself.

R=brianwilkerson@google.com
BUG=

Committed: https://code.google.com/p/dart/source/detail?r=34474

[Brian Wilkerson, 2014-03-27 15:15:18]

LGTM! Based on the lack of changes to client code I assume that this doesn't
impact our clients.

https://codereview.chromium.org/214253002/diff/1/editor/tools/plugins/com.goo...
File
editor/tools/plugins/com.google.dart.engine/src/com/google/dart/engine/error/AngularCode.java
(right):

https://codereview.chromium.org/214253002/diff/1/editor/tools/plugins/com.goo...
editor/tools/plugins/com.google.dart.engine/src/com/google/dart/engine/error/AngularCode.java:44:
private final ErrorSeverity errorSeverity;
Do we still need/want this field? As far as I can see it is always set to INFO.

https://codereview.chromium.org/214253002/diff/1/editor/util/plugins/com.goog...
File
editor/util/plugins/com.google.dart.java2dart/src/com/google/dart/java2dart/processor/LocalVariablesSemanticProcessor.java
(right):

https://codereview.chromium.org/214253002/diff/1/editor/util/plugins/com.goog...
editor/util/plugins/com.google.dart.java2dart/src/com/google/dart/java2dart/processor/LocalVariablesSemanticProcessor.java:262:
System.out.println("zzzzzzzzz");
Remove?

[scheglov, 2014-03-27 15:37:54]

Committed patchset #1 manually as r34474 (presubmit successful).

[blois, 2014-03-27 16:42:36]

A number of problems here that I consider quite serious and would like to see
this CL reverted:
- the code_transformers test is covering core functionality that we're basing a
bunch of libraries off of, including Angular, Polymer and DI. This test breaking
is a very (very) bad sign.
- The specific breakage appears to be related to incremental updating of the
analyzer not removing deleted libraries. This seems like an actual Analyzer
issue.
- pubspec.yaml was updated with a compatible version number- the fact that tests
broke is an indication that this change is not backwards compatible.