Deal with mock compilation in dart2js, which was working in the SDK by reaching outside the SDK. Review URL: https://chromiumcodereview.appspot.com//10917051
Deal with mock compilation in dart2js, which was working in the SDK
by reaching outside the SDK.
Review URL: https://chromiumcodereview.appspot.com//10917051

git-svn-id: c93d8a2297af3b929165606efe145742a534bc71@11737 260f80e4-7a28-3924-810f-c04153c831b5

dart-archive/dart-sdk,dart-archive/dart-sdk,dartino/dart-sdk,dartino/dart-sdk,dart-lang/sdk,dart-archive/dart-sdk,dart-lang/sdk,dart-archive/dart-sdk,dart-lang/sdk,dart-archive/dart-sdk,dart-archive/dart-sdk,dart-lang/sdk,dartino/dart-sdk,dart-archive/dart-sdk,dartino/dart-sdk,dart-archive/dart-sdk,dartino/dart-sdk,dartino/dart-sdk,dartino/dart-sdk,dart-lang/sdk,dart-lang/sdk,dartino/dart-sdk,dart-lang/sdk,dartino/dart-sdk,dart-lang/sdk,dart-archive/dart-sdk