[NTP Snippets] Add a pref to disable the NTPSnippetsService

components/ntp_snippets/ntp_snippets_service_unittest.cc

 // Copyright 2015 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/ntp_snippets/ntp_snippets_service.h"
 
 #include <memory>
 #include <vector>
 
 #include "base/command_line.h"
@@ skipping 309 matching lines @@
 
     // Add an initial fetch response, as the service tries to fetch when there
     // is nothing in the DB.
     SetUpFetchResponse(GetTestJson({GetSnippet()}));
 
     service_.reset(new NTPSnippetsService(
         enabled, pref_service(), nullptr, "fr", &scheduler_,
         std::move(snippets_fetcher), /*image_fetcher=*/nullptr,
         /*image_fetcher=*/nullptr, base::MakeUnique<NTPSnippetsDatabase>(
                                        database_dir_.path(), task_runner),
-        base::MakeUnique<NTPSnippetsStatusService>(fake_signin_manager(),
-                                                   mock_sync_service())));
+        base::MakeUnique<NTPSnippetsStatusService>(
+            fake_signin_manager(), mock_sync_service(), pref_service())));
 
     if (enabled)
       WaitForDBLoad(service_.get());
   }
 
  protected:
   const GURL& test_url() { return test_url_; }
   NTPSnippetsService* service() { return service_.get(); }
   MockScheduler& mock_scheduler() {  return scheduler_; }
 
@@ skipping 519 matching lines @@
 }
 
 TEST_F(NTPSnippetsServiceTest, HistorySyncStateChanges) {
   MockServiceObserver mock_observer;
   service()->AddObserver(&mock_observer);
 
   // Simulate user signed out
   SetUpFetchResponse(GetTestJson({GetSnippet()}));
   EXPECT_CALL(mock_observer, NTPSnippetsServiceDisabledReasonChanged(
                                  DisabledReason::SIGNED_OUT));
-  service()->UpdateStateForStatus(DisabledReason::SIGNED_OUT);
+  service()->OnDisabledReasonChanged(DisabledReason::SIGNED_OUT);
   base::RunLoop().RunUntilIdle();
   EXPECT_EQ(NTPSnippetsService::State::DISABLED, service()->state_);
   EXPECT_THAT(service()->snippets(), IsEmpty()); // No fetch should be made.
 
   // Simulate user sign in. The service should be ready again and load snippets.
   SetUpFetchResponse(GetTestJson({GetSnippet()}));
   EXPECT_CALL(mock_observer,
               NTPSnippetsServiceDisabledReasonChanged(DisabledReason::NONE));
   EXPECT_CALL(mock_scheduler(), Schedule(_, _, _, _)).Times(1);
-  service()->UpdateStateForStatus(DisabledReason::NONE);
+  service()->OnDisabledReasonChanged(DisabledReason::NONE);
   base::RunLoop().RunUntilIdle();
   EXPECT_EQ(NTPSnippetsService::State::READY, service()->state_);
   EXPECT_FALSE(service()->snippets().empty());
 
   service()->RemoveObserver(&mock_observer);
 }
 
 }  // namespace ntp_snippets