Reapply r9192 and 9194, with the change of making locale a public field.

tests/lib/i18n/bidi_format_test.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('bidi_format_test');
 
-#import('../../../lib/i18n/bidi_formatter.dart');
-#import('../../../lib/i18n/bidi_utils.dart');
+#import('../../../lib/i18n/intl.dart');
 #import('../../../lib/unittest/unittest.dart');
 
 /**
  * Tests the bidirectional text formatting library.
  */
 main() {
   var LRM = BidiUtils.LRM;
   var RLM = BidiUtils.RLM;
   var LRE = BidiUtils.LRE;
   var RLE = BidiUtils.RLE;
@@ skipping 188 matching lines @@
     expect(rtlFmt.wrapWithUnicode(he, direction : TextDirection.LTR),
         equals('$LRE$he$PDF$RLM'));
     // Test supposed overall dir (LTR) doesn't match context dir (unknown).
     expect(unkFmt.wrapWithUnicode(he, direction : TextDirection.LTR),
         equals('$LRE$he$PDF'));
     // Test supposed overall dir (neutral) doesn't match context dir (LTR).
     expect(ltrFmt.wrapWithUnicode(he, direction : TextDirection.UNKNOWN),
         equals('$he$LRM'));
   });
 }