Issue 5292. Unreferenced imported identifiers should not be an error

Issue 5292. Unreferenced imported identifiers should not be an error
http://code.google.com/p/dart/issues/detail?id=5292


R=brianwilkerson@google.com
BUG=

Committed: https://code.google.com/p/dart/source/detail?r=12847

[Brian Wilkerson, 2012-09-25 13:11:20]

LGTM

https://codereview.chromium.org/10979013/diff/1/compiler/java/com/google/dart...
File compiler/java/com/google/dart/compiler/resolver/TopLevelElementBuilder.java
(right):

https://codereview.chromium.org/10979013/diff/1/compiler/java/com/google/dart...
compiler/java/com/google/dart/compiler/resolver/TopLevelElementBuilder.java:158:
//  private static void
reportDuplicateTopLevelDeclarationImport(DartCompilerListener listener,
Unless there is a reason to keep this code, let's remove it.

https://codereview.chromium.org/10979013/diff/1/compiler/java/com/google/dart...
compiler/java/com/google/dart/compiler/resolver/TopLevelElementBuilder.java:231:
//    // Getter/setter can shared same name, but not setter/setter and
getter/getter.
Unless there is a reason to keep this code, let's remove it (and the comment
after it).