Rename dart:typeddata to dart:typed_data.

tests/html/typed_arrays_range_checks_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 TypedArraysRangeCheckTest;
 import '../../pkg/unittest/lib/unittest.dart';
 import '../../pkg/unittest/lib/html_config.dart';
 import 'dart:html';
-import 'dart:typeddata';
+import 'dart:typed_data';
 
 main() {
   useHtmlConfiguration();
 
   // Only perform tests if ArrayBuffer is supported.
   if (!Platform.supportsTypedData) {
     return;
   }
 
   test('outOfRangeAccess_dynamic', () {
@@ skipping 31 matching lines @@
       // It's harder to test out of range setters, but let's do some minimum.
       expect(() => a[a.length] = 0xdeadbeaf, throws);
       expect(() => a[a.length + 1] = 0xdeadbeaf, throws);
       expect(() => a[a.length + 1024] = 0xdeadbeaf, throws);
 
       // a[-1] = 0xdeadbeaf;
       // a[-2] = 0xdeadbeaf;
       // a[-1024] = 0xdeadbeaf;
   });
 }