Prefetching: Introduce store commands abstractions to be used by tasks.

components/offline_pages/core/prefetch/suggested_articles_observer_unittest.cc

 // Copyright 2017 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/offline_pages/core/prefetch/suggested_articles_observer.h"
 
 #include "base/run_loop.h"
 #include "base/test/test_simple_task_runner.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "components/offline_pages/core/client_namespace_constants.h"
@@ skipping 58 matching lines @@
   observer()->GetTestingArticles()->push_back(
       ContentSuggestionFromTestURL(test_url_1));
 
   observer()->OnCategoryStatusChanged(category,
                                       ntp_snippets::CategoryStatus::AVAILABLE);
   observer()->OnNewSuggestions(category);
   EXPECT_EQ(1, test_prefetch_dispatcher()->new_suggestions_count);
   EXPECT_EQ(1U, test_prefetch_dispatcher()->latest_prefetch_urls.size());
   EXPECT_EQ(test_url_1,
             test_prefetch_dispatcher()->latest_prefetch_urls[0].url);
-  EXPECT_EQ(
-      kSuggestedArticlesNamespace,
-      test_prefetch_dispatcher()->latest_prefetch_urls[0].client_id.name_space);
+  EXPECT_EQ(kSuggestedArticlesNamespace,
+            test_prefetch_dispatcher()->latest_name_space);
 }
 
 TEST_F(OfflinePageSuggestedArticlesObserverTest, RemovesAllOnBadStatus) {
   const GURL test_url_1("https://www.example.com/1");
   const GURL test_url_2("https://www.example.com/2");
   observer()->GetTestingArticles()->push_back(
       ContentSuggestionFromTestURL(test_url_1));
   observer()->GetTestingArticles()->push_back(
       ContentSuggestionFromTestURL(test_url_2));
 
@@ skipping 20 matching lines @@
   observer()->OnNewSuggestions(category);
   ASSERT_EQ(1U, test_prefetch_dispatcher()->latest_prefetch_urls.size());
 
   observer()->OnSuggestionInvalidated(
       ntp_snippets::ContentSuggestion::ID(category, test_url_1.spec()));
 
   EXPECT_EQ(1, test_prefetch_dispatcher()->remove_by_client_id_count);
   EXPECT_NE(nullptr, test_prefetch_dispatcher()->last_removed_client_id.get());
   EXPECT_EQ(test_url_1.spec(),
             test_prefetch_dispatcher()->last_removed_client_id->id);
-  EXPECT_EQ(
-      kSuggestedArticlesNamespace,
-      test_prefetch_dispatcher()->latest_prefetch_urls[0].client_id.name_space);
+  EXPECT_EQ(kSuggestedArticlesNamespace,
+            test_prefetch_dispatcher()->latest_name_space);
 }
 
 }  // namespace offline_pages