Don't record dependencies in SummaryDataStore.

pkg/analyzer/test/src/summary/linker_test.dart

 // Copyright (c) 2016, 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.
 
 import 'package:analyzer/dart/element/type.dart';
 import 'package:analyzer/src/dart/element/element.dart';
 import 'package:analyzer/src/summary/format.dart';
 import 'package:analyzer/src/summary/idl.dart';
 import 'package:analyzer/src/summary/link.dart';
 import 'package:test/test.dart';
@@ skipping 189 matching lines @@
 
   void test_bundle_refers_to_bundle() {
     var bundle1 = createPackageBundle('''
 var x = 0;
 ''', path: '/a.dart');
     addBundle('/a.ds', bundle1);
     var bundle2 = createPackageBundle('''
 import "a.dart";
 var y = x;
 ''', path: '/b.dart');
-    expect(bundle2.dependencies, hasLength(1));
-    expect(bundle2.dependencies[0].summaryPath, '/a.ds');
-    expect(bundle2.dependencies[0].apiSignature, bundle1.apiSignature);
     addBundle('/a.ds', bundle1);
     addBundle('/b.ds', bundle2);
     createLinker('''
 import "b.dart";
 var z = y;
 ''');
     LibraryElementForLink library = linker.getLibrary(linkerInputs.testDartUri);
     expect(_getVariable(library.getContainedName('z')).inferredType.toString(),
         'int');
   }
@@ skipping 740 matching lines @@
    */
   EntityRef _lookupInferredType(LinkedUnit unit, int slot) {
     for (EntityRef ref in unit.types) {
       if (ref.slot == slot) {
         return ref;
       }
     }
     return null;
   }
 }