Fixes code_transformers after the latest analyzer changes

Fixes code_transformers after the latest analyzer changes

BUG=http://dartbug.com/17502
R=blois@google.com

Committed: https://code.google.com/p/dart/source/detail?r=33768

[Siggi Cherem (dart-lang), 2014-03-15 01:04:49]

The resolver no longer supports parsing the code while loading the rest
asynchronously, so I opted for doing a second parse just to processes the
directives.

I'm open to ideas if there is something better we can do here.

[blois, 2014-03-17 16:29:46]

https://codereview.chromium.org/199413020/diff/20001/pkg/code_transformers/li...
File pkg/code_transformers/lib/src/resolver_impl.dart (right):

https://codereview.chromium.org/199413020/diff/20001/pkg/code_transformers/li...
pkg/code_transformers/lib/src/resolver_impl.dart:579: CompilationUnit
_parseCompilationUnit(String code) {
Should be able to use package:analyzer/analyzer.dart's parseCompilationUnit.

[Siggi Cherem (dart-lang), 2014-03-17 17:58:09]

https://codereview.chromium.org/199413020/diff/20001/pkg/code_transformers/li...
File pkg/code_transformers/lib/src/resolver_impl.dart (right):

https://codereview.chromium.org/199413020/diff/20001/pkg/code_transformers/li...
pkg/code_transformers/lib/src/resolver_impl.dart:579: CompilationUnit
_parseCompilationUnit(String code) {
On 2014/03/17 16:29:46, blois wrote:
> Should be able to use package:analyzer/analyzer.dart's parseCompilationUnit.

Done.

[blois, 2014-03-17 19:07:31]

lgtm

[Siggi Cherem (dart-lang), 2014-03-17 20:05:22]

Committed patchset #2 manually as r33768 (presubmit successful).