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

components/ntp_snippets/content_suggestions_metrics_unittest.cc

Index: components/ntp_snippets/content_suggestions_metrics_unittest.cc
diff --git a/components/ntp_snippets/content_suggestions_metrics_unittest.cc b/components/ntp_snippets/content_suggestions_metrics_unittest.cc
index 2424d503e8b683f4c15ec0d5a0dcbc954e2b688b..fe8193e300fe98e2a8e18cb0ec747ef785e63283 100644
--- a/components/ntp_snippets/content_suggestions_metrics_unittest.cc
+++ b/components/ntp_snippets/content_suggestions_metrics_unittest.cc
@@ -20,23 +20,21 @@ TEST(ContentSuggestionsMetricsTest, ShouldLogOnSuggestionsShown) {
   base::HistogramTester histogram_tester;
   OnSuggestionShown(/*global_position=*/1,
                     Category::FromKnownCategory(KnownCategories::ARTICLES),
-                    /*category_position=*/3,
-                    base::Time::Now(),
-                    base::Time::Now() - base::TimeDelta::FromHours(2),
-                    0.01f);
+                    /*category_position=*/3, base::Time::Now(), 0.01f,
+                    base::Time::Now() - base::TimeDelta::FromHours(2));
   // Test corner cases for score.
   OnSuggestionShown(/*global_position=*/1,
                     Category::FromKnownCategory(KnownCategories::ARTICLES),
-                    /*category_position=*/3, base::Time::Now(),
-                    base::Time::Now() - base::TimeDelta::FromHours(2), 0.0f);
+                    /*category_position=*/3, base::Time::Now(), 0.0f,
+                    base::Time::Now() - base::TimeDelta::FromHours(2));
   OnSuggestionShown(/*global_position=*/1,
                     Category::FromKnownCategory(KnownCategories::ARTICLES),
-                    /*category_position=*/3, base::Time::Now(),
-                    base::Time::Now() - base::TimeDelta::FromHours(2), 1.0f);
+                    /*category_position=*/3, base::Time::Now(), 1.0f,
+                    base::Time::Now() - base::TimeDelta::FromHours(2));
   OnSuggestionShown(/*global_position=*/1,
                     Category::FromKnownCategory(KnownCategories::ARTICLES),
-                    /*category_position=*/3, base::Time::Now(),
-                    base::Time::Now() - base::TimeDelta::FromHours(2), 8.0f);
+                    /*category_position=*/3, base::Time::Now(), 8.0f,
+                    base::Time::Now() - base::TimeDelta::FromHours(2));
 
   EXPECT_THAT(
       histogram_tester.GetAllSamples(