Add generic functions for getting typed variation parameter values

components/ntp_snippets/offline_pages/recent_tab_suggestions_provider.cc

Index: components/ntp_snippets/offline_pages/recent_tab_suggestions_provider.cc
diff --git a/components/ntp_snippets/offline_pages/recent_tab_suggestions_provider.cc b/components/ntp_snippets/offline_pages/recent_tab_suggestions_provider.cc
index 1585a6730a33fb3ebff543cb2701f2cddc19d213..f27892f36ac7236aa297cfa4efb0b9702dc8c488 100644
--- a/components/ntp_snippets/offline_pages/recent_tab_suggestions_provider.cc
+++ b/components/ntp_snippets/offline_pages/recent_tab_suggestions_provider.cc
@@ -20,6 +20,7 @@
 #include "components/offline_pages/core/offline_page_model_query.h"
 #include "components/prefs/pref_registry_simple.h"
 #include "components/prefs/pref_service.h"
+#include "components/variations/variations_associated_data.h"
 #include "grit/components_strings.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/gfx/image/image.h"
@@ -38,9 +39,9 @@ const int kDefaultMaxSuggestionsCount = 5;
 const char* kMaxSuggestionsCountParamName = "recent_tabs_max_count";
 
 int GetMaxSuggestionsCount() {
-  return GetParamAsInt(kRecentOfflineTabSuggestionsFeature,
-                       kMaxSuggestionsCountParamName,
-                       kDefaultMaxSuggestionsCount);
+  return variations::GetVariationParamByFeatureAsInt(
+      kRecentOfflineTabSuggestionsFeature, kMaxSuggestionsCountParamName,
+      kDefaultMaxSuggestionsCount);
 }
 
 struct OrderOfflinePagesByMostRecentlyCreatedFirst {