Use improved VariationParamsManager to hide details.

components/ntp_snippets/remote/ntp_snippets_fetcher.cc

Index: components/ntp_snippets/remote/ntp_snippets_fetcher.cc
diff --git a/components/ntp_snippets/remote/ntp_snippets_fetcher.cc b/components/ntp_snippets/remote/ntp_snippets_fetcher.cc
index 62236a8a375cab50981b1a7798b0ce55f963798c..c673f0b09355f68990ff0929c95b2df5018a9c8c 100644
--- a/components/ntp_snippets/remote/ntp_snippets_fetcher.cc
+++ b/components/ntp_snippets/remote/ntp_snippets_fetcher.cc
@@ -132,6 +132,16 @@ bool IsBooleanParameterEnabled(const std::string& param_name,
   return default_value;
 }
 
+bool IsSendingTopLanguagesEnabled() {
+  return IsBooleanParameterEnabled(kSendTopLanguagesName,
+                                   /*default_value=*/false);
+}
+
+bool IsSendingUserClassEnabled() {
+  return IsBooleanParameterEnabled(kSendUserClassName,
+                                   /*default_value=*/false);
+}
+
 bool UsesChromeContentSuggestionsAPI(const GURL& endpoint) {
   if (endpoint == kChromeReaderServer) {
     return false;
@@ -661,16 +671,6 @@ NTPSnippetsFetcher::RequestBuilder::SetUserClassifier(
   return *this;
 }
 
-bool NTPSnippetsFetcher::RequestBuilder::IsSendingTopLanguagesEnabled() const {
-  return IsBooleanParameterEnabled(kSendTopLanguagesName,
-                                   /*default_value=*/false);
-}
-
-bool NTPSnippetsFetcher::RequestBuilder::IsSendingUserClassEnabled() const {
-  return IsBooleanParameterEnabled(kSendUserClassName,
-                                   /*default_value=*/false);
-}
-
 std::string NTPSnippetsFetcher::RequestBuilder::BuildHeaders() const {
   net::HttpRequestHeaders headers;
   headers.SetHeader("Content-Type", "application/json; charset=UTF-8");