Disable subresource filtering on page reloads.

components/subresource_filter/core/browser/subresource_filter_features.cc

Index: components/subresource_filter/core/browser/subresource_filter_features.cc
diff --git a/components/subresource_filter/core/browser/subresource_filter_features.cc b/components/subresource_filter/core/browser/subresource_filter_features.cc
index f14186953a366b1ecda7f97be4391175e948e319..ef13cad4bc40d508a7c94133d6b34e1fb4a50914 100644
--- a/components/subresource_filter/core/browser/subresource_filter_features.cc
+++ b/components/subresource_filter/core/browser/subresource_filter_features.cc
@@ -40,6 +40,8 @@ const char kPerformanceMeasurementRateParameterName[] =
 
 const char kSuppressNotificationsParameterName[] = "suppress_notifications";
 
+const char kWhitelistSiteOnReloadParameterName[] = "whitelist_site_on_reload";
+
 ActivationLevel GetMaximumActivationLevel() {
   std::string activation_level = variations::GetVariationParamValueByFeature(
       kSafeBrowsingSubresourceFilter, kActivationLevelParameterName);
@@ -101,4 +103,10 @@ std::string GetRulesetFlavor() {
       subresource_filter::kRulesetFlavorParameterName);
 }
 
+bool ShouldWhitelistSiteOnReload() {
+  return base::GetFieldTrialParamByFeatureAsBool(
+      kSafeBrowsingSubresourceFilter, kWhitelistSiteOnReloadParameterName,
+      false /* default value */);
+}
+
 }  // namespace subresource_filter