Add field trial param to suppress disallowed subresource notifications.

components/subresource_filter/core/browser/subresource_filter_features_test_support.cc

Index: components/subresource_filter/core/browser/subresource_filter_features_test_support.cc
diff --git a/components/subresource_filter/core/browser/subresource_filter_features_test_support.cc b/components/subresource_filter/core/browser/subresource_filter_features_test_support.cc
index 13d6a970491f670b489337649b9c62f52ae441c3..adcf692a96042a9f04f3423d003a5ceccae8acaa 100644
--- a/components/subresource_filter/core/browser/subresource_filter_features_test_support.cc
+++ b/components/subresource_filter/core/browser/subresource_filter_features_test_support.cc
@@ -25,14 +25,16 @@ ScopedSubresourceFilterFeatureToggle::ScopedSubresourceFilterFeatureToggle(
     const std::string& maximum_activation_level,
     const std::string& activation_scope,
     const std::string& activation_lists,
-    const std::string& performance_measurement_rate)
+    const std::string& performance_measurement_rate,
+    const std::string& suppress_notifications)
     : ScopedSubresourceFilterFeatureToggle(
           feature_state,
           {{kActivationLevelParameterName, maximum_activation_level},
            {kActivationScopeParameterName, activation_scope},
            {kActivationListsParameterName, activation_lists},
            {kPerformanceMeasurementRateParameterName,
-            performance_measurement_rate}}) {}
+            performance_measurement_rate},
+           {kSuppressNotificationsParameterName, suppress_notifications}}) {}
 
 ScopedSubresourceFilterFeatureToggle::ScopedSubresourceFilterFeatureToggle(
     base::FeatureList::OverrideState feature_state,