Fix for computing IS_CLIENT.

pkg/analyzer/test/src/task/dart_test.dart

 // Copyright (c) 2015, 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 test.src.task.dart_test;
 
 import 'package:analyzer/file_system/file_system.dart';
 import 'package:analyzer/file_system/memory_file_system.dart';
 import 'package:analyzer/src/context/cache.dart';
 import 'package:analyzer/src/generated/ast.dart';
@@ skipping 1095 matching lines @@
 import 'b.dart';
 ''');
     _newSource('/b.dart', '''
 library lib_b;
 ''');
     _computeResult(sourceA, IS_CLIENT);
     expect(task, new isInstanceOf<BuildSourceClosuresTask>());
     expect(outputs[IS_CLIENT], isFalse);
   }
 
-  test_perform_isClient_true_direct() {
+  test_perform_isClient_true_export_indirect() {
+    _newSource('/exports_html.dart', '''
+library lib_exports_html;
+export 'dart:html';
+''');
+    Source source = _newSource('/test.dart', '''
+import 'exports_html.dart';
+''');
+    _computeResult(source, IS_CLIENT);
+    expect(task, new isInstanceOf<BuildSourceClosuresTask>());
+    expect(outputs[IS_CLIENT], isTrue);
+  }
+
+  test_perform_isClient_true_import_direct() {
     Source sourceA = _newSource('/a.dart', '''
 library lib_a;
 import 'dart:html';
 ''');
     _computeResult(sourceA, IS_CLIENT);
     expect(task, new isInstanceOf<BuildSourceClosuresTask>());
     expect(outputs[IS_CLIENT], isTrue);
   }
 
-  test_perform_isClient_true_indirect() {
+  test_perform_isClient_true_import_indirect() {
     Source sourceA = _newSource('/a.dart', '''
 library lib_a;
 import 'b.dart';
 ''');
     _newSource('/b.dart', '''
 library lib_b;
 import 'dart:html';
 ''');
     _computeResult(sourceA, IS_CLIENT);
     expect(task, new isInstanceOf<BuildSourceClosuresTask>());
@@ skipping 776 matching lines @@
     return entryMap.putIfAbsent(target, () => new CacheEntry());
   }
 
   TimestampedData<String> getContents(Source source) => source.contents;
 
   noSuchMethod(Invocation invocation) {
     print('noSuchMethod: ${invocation.memberName}');
     return super.noSuchMethod(invocation);
   }
 }