Connecting UserClassifier to NtpSnippetsFetcher

ios/chrome/browser/ntp_snippets/ios_chrome_content_suggestions_service_factory.cc

Index: ios/chrome/browser/ntp_snippets/ios_chrome_content_suggestions_service_factory.cc
diff --git a/ios/chrome/browser/ntp_snippets/ios_chrome_content_suggestions_service_factory.cc b/ios/chrome/browser/ntp_snippets/ios_chrome_content_suggestions_service_factory.cc
index 61199b19fff44123e83a89629795368927b2d9d3..7c0a24c707a76faa7d96858f59d617be6e35208d 100644
--- a/ios/chrome/browser/ntp_snippets/ios_chrome_content_suggestions_service_factory.cc
+++ b/ios/chrome/browser/ntp_snippets/ios_chrome_content_suggestions_service_factory.cc
@@ -166,7 +166,8 @@ IOSChromeContentSuggestionsServiceFactory::BuildServiceInstanceFor(
                 service->category_factory(), base::Bind(&ParseJson),
                 GetChannel() == version_info::Channel::STABLE
                     ? google_apis::GetAPIKey()
-                    : google_apis::GetNonStableAPIKey()),
+                    : google_apis::GetNonStableAPIKey(),
+                service->user_classifier()),
             base::MakeUnique<ImageFetcherImpl>(
                 request_context.get(), web::WebThread::GetBlockingPool()),
             base::MakeUnique<IOSImageDecoderImpl>(),