Fix memory leak in readingListPrivate api test.

components/dom_distiller/core/dom_distiller_test_util.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "components/dom_distiller/core/dom_distiller_test_util.h"
 
 #include "components/dom_distiller/core/dom_distiller_store.h"
 #include "components/dom_distiller/core/fake_distiller.h"
 
 namespace dom_distiller {
@@ skipping 73 matching lines @@
 }
 
 testing::Matcher<const std::vector<DomDistillerObserver::ArticleUpdate>&>
 HasExpectedUpdates(
     const std::vector<DomDistillerObserver::ArticleUpdate>& expected_updates) {
   return testing::MakeMatcher(new ObserverUpdatesMatcher(expected_updates));
 }
 
 // static
 DomDistillerStore* CreateStoreWithFakeDB(FakeDB* fake_db,
-                                         FakeDB::EntryMap* store_model) {
+                                         const FakeDB::EntryMap& store_model) {
   return new DomDistillerStore(
       scoped_ptr<DomDistillerDatabaseInterface>(fake_db),
-      EntryMapToList(*store_model),
+      EntryMapToList(store_model),
       FakeDB::DirectoryForTestDB());
 }
 
 }  // namespace util
 }  // namespace test
 }  // namespace dom_distiller