Add InfoBar delegate for previews

components/data_reduction_proxy/core/browser/data_reduction_proxy_service.cc

Index: components/data_reduction_proxy/core/browser/data_reduction_proxy_service.cc
diff --git a/components/data_reduction_proxy/core/browser/data_reduction_proxy_service.cc b/components/data_reduction_proxy/core/browser/data_reduction_proxy_service.cc
index ac901dccdce50c8d60ba4cc99a1bf4d08d5c5e91..9aa6f23ea017ca082efd2d34288cdfe4a6aa8b32 100644
--- a/components/data_reduction_proxy/core/browser/data_reduction_proxy_service.cc
+++ b/components/data_reduction_proxy/core/browser/data_reduction_proxy_service.cc
@@ -223,7 +223,7 @@ void DataReductionProxyService::InitializeLoFiPrefs() {
     SetLoFiModeOff();
   } else if (prefs_->GetInteger(prefs::kLoFiLoadImagesPerSession) <
                  lo_fi_user_requests_for_images_per_session &&
-             prefs_->GetInteger(prefs::kLoFiSnackbarsShownPerSession) >=
+             prefs_->GetInteger(prefs::kLoFiUIShownPerSession) >=
                  lo_fi_user_requests_for_images_per_session) {
     // If the last session didn't have
     // |lo_fi_user_requests_for_images_per_session|, but the user saw at least
@@ -231,7 +231,7 @@ void DataReductionProxyService::InitializeLoFiPrefs() {
     prefs_->SetInteger(prefs::kLoFiConsecutiveSessionDisables, 0);
   }
   prefs_->SetInteger(prefs::kLoFiLoadImagesPerSession, 0);
-  prefs_->SetInteger(prefs::kLoFiSnackbarsShownPerSession, 0);
+  prefs_->SetInteger(prefs::kLoFiUIShownPerSession, 0);
   prefs_->SetBoolean(prefs::kLoFiWasUsedThisSession, false);
 }