[remote suggestions] Attach the fetch time to RemoteSnippets, ContentSnippets and SnippetArticle

components/ntp_snippets/remote/json_request_unittest.cc

 // Copyright 2016 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/remote/json_request.h"
 
 #include <set>
 #include <utility>
 
 #include "base/json/json_reader.h"
@@ skipping 48 matching lines @@
 
 class JsonRequestTest : public testing::Test {
  public:
   JsonRequestTest()
       : params_manager_(
             ntp_snippets::kStudyName,
             {{"send_top_languages", "true"}, {"send_user_class", "true"}},
             {ntp_snippets::kArticleSuggestionsFeature.name}),
         pref_service_(base::MakeUnique<TestingPrefServiceSimple>()),
         mock_task_runner_(new base::TestMockTimeTaskRunner()),
-        tick_clock_(mock_task_runner_->GetMockTickClock()),
+        clock_(mock_task_runner_->GetMockClock()),
         request_context_getter_(
             new net::TestURLRequestContextGetter(mock_task_runner_.get())) {
     translate::LanguageModel::RegisterProfilePrefs(pref_service_->registry());
   }
 
   std::unique_ptr<translate::LanguageModel> MakeLanguageModel(
       const std::set<std::string>& codes) {
     std::unique_ptr<translate::LanguageModel> language_model =
         base::MakeUnique<translate::LanguageModel>(pref_service_.get());
     // There must be at least 10 visits before the top languages are defined.
     for (int i = 0; i < 10; i++) {
       for (const std::string& code : codes) {
         language_model->OnPageVisited(code);
       }
     }
     return language_model;
   }
 
   JsonRequest::Builder CreateMinimalBuilder() {
     JsonRequest::Builder builder;
     builder.SetUrl(GURL("http://valid-url.test"))
-        .SetTickClock(tick_clock_.get())
+        .SetClock(clock_.get())
         .SetUrlRequestContextGetter(request_context_getter_.get());
     return builder;
   }
 
  private:
   variations::testing::VariationParamsManager params_manager_;
   std::unique_ptr<TestingPrefServiceSimple> pref_service_;
   scoped_refptr<base::TestMockTimeTaskRunner> mock_task_runner_;
-  std::unique_ptr<base::TickClock> tick_clock_;
+  std::unique_ptr<base::Clock> clock_;
   scoped_refptr<net::TestURLRequestContextGetter> request_context_getter_;
   net::TestURLFetcherFactory fetcher_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(JsonRequestTest);
 };
 
 TEST_F(JsonRequestTest, BuildRequestAuthenticated) {
   JsonRequest::Builder builder = CreateMinimalBuilder();
   RequestParams params;
   params.excluded_ids = {"1234567890"};
@@ skipping 203 matching lines @@
                          "  \"topLanguages\": [{"
                          "    \"language\" : \"en\","
                          "    \"frequency\" : 1.0"
                          "  }]"
                          "}"));
 }
 
 }  // namespace internal
 
 }  // namespace ntp_snippets