Add support for multiple simultaneous subresource_filter::Configurations.

components/subresource_filter/core/browser/subresource_filter_features_unittest.cc

Index: components/subresource_filter/core/browser/subresource_filter_features_unittest.cc
diff --git a/components/subresource_filter/core/browser/subresource_filter_features_unittest.cc b/components/subresource_filter/core/browser/subresource_filter_features_unittest.cc
index 28b8f5108fc4637e128663879796331a3f62516f..529885046a8e11ad9511a089a9adaaa2102d9813 100644
--- a/components/subresource_filter/core/browser/subresource_filter_features_unittest.cc
+++ b/components/subresource_filter/core/browser/subresource_filter_features_unittest.cc
@@ -90,8 +90,9 @@ TEST(SubresourceFilterFeaturesTest, ActivationLevel) {
          {kActivationScopeParameterName, kActivationScopeNoSites}});
 
     const auto active_configurations = GetActiveConfigurations();
+    ASSERT_EQ(1u, active_configurations->ordered_configs().size());
     const Configuration& actual_configuration =
-        active_configurations->the_one_and_only();
+        active_configurations->ordered_configs().front();
     EXPECT_EQ(test_case.expected_activation_level,
               actual_configuration.activation_level);
     EXPECT_EQ(ActivationScope::NO_SITES, actual_configuration.activation_scope);
@@ -129,8 +130,9 @@ TEST(SubresourceFilterFeaturesTest, ActivationScope) {
          {kActivationScopeParameterName, test_case.activation_scope_param}});
 
     const auto active_configurations = GetActiveConfigurations();
+    ASSERT_EQ(1u, active_configurations->ordered_configs().size());
     const Configuration& actual_configuration =
-        active_configurations->the_one_and_only();
+        active_configurations->ordered_configs().front();
     EXPECT_EQ(ActivationLevel::DISABLED, actual_configuration.activation_level);
     EXPECT_EQ(test_case.expected_activation_scope,
               actual_configuration.activation_scope);
@@ -182,8 +184,9 @@ TEST(SubresourceFilterFeaturesTest, ActivationLevelAndScope) {
          {kActivationScopeParameterName, test_case.activation_scope_param}});
 
     const auto active_configurations = GetActiveConfigurations();
+    ASSERT_EQ(1u, active_configurations->ordered_configs().size());
     const Configuration& actual_configuration =
-        active_configurations->the_one_and_only();
+        active_configurations->ordered_configs().front();
     EXPECT_EQ(test_case.expected_activation_level,
               actual_configuration.activation_level);
     EXPECT_EQ(test_case.expected_activation_scope,
@@ -240,8 +243,9 @@ TEST(SubresourceFilterFeaturesTest, ActivationList) {
          {kActivationListsParameterName, test_case.activation_list_param}});
 
     const auto active_configurations = GetActiveConfigurations();
+    ASSERT_EQ(1u, active_configurations->ordered_configs().size());
     const Configuration& actual_configuration =
-        active_configurations->the_one_and_only();
+        active_configurations->ordered_configs().front();
     EXPECT_EQ(test_case.expected_activation_list,
               actual_configuration.activation_list);
   }
@@ -278,8 +282,9 @@ TEST(SubresourceFilterFeaturesTest, PerfMeasurementRate) {
           test_case.perf_measurement_param}});
 
     const auto active_configurations = GetActiveConfigurations();
+    ASSERT_EQ(1u, active_configurations->ordered_configs().size());
     const Configuration& actual_configuration =
-        active_configurations->the_one_and_only();
+        active_configurations->ordered_configs().front();
     EXPECT_EQ(test_case.expected_perf_measurement_rate,
               actual_configuration.performance_measurement_rate);
   }
@@ -313,8 +318,9 @@ TEST(SubresourceFilterFeaturesTest, SuppressNotifications) {
           test_case.suppress_notifications_param}});
 
     const auto active_configurations = GetActiveConfigurations();
+    ASSERT_EQ(1u, active_configurations->ordered_configs().size());
     const Configuration& actual_configuration =
-        active_configurations->the_one_and_only();
+        active_configurations->ordered_configs().front();
     EXPECT_EQ(test_case.expected_suppress_notifications_value,
               actual_configuration.should_suppress_notifications);
   }
@@ -348,8 +354,9 @@ TEST(SubresourceFilterFeaturesTest, WhitelistSiteOnReload) {
           test_case.whitelist_site_on_reload_param}});
 
     const auto active_configurations = GetActiveConfigurations();
+    ASSERT_EQ(1u, active_configurations->ordered_configs().size());
     const Configuration& actual_configuration =
-        active_configurations->the_one_and_only();
+        active_configurations->ordered_configs().front();
     EXPECT_EQ(test_case.expected_whitelist_site_on_reload_value,
               actual_configuration.should_whitelist_site_on_reload);
   }
@@ -375,8 +382,9 @@ TEST(SubresourceFilterFeaturesTest, RulesetFlavor) {
         {{kRulesetFlavorParameterName, test_case.ruleset_flavor_param}});
 
     const auto active_configurations = GetActiveConfigurations();
+    ASSERT_EQ(1u, active_configurations->ordered_configs().size());
     const Configuration& actual_configuration =
-        active_configurations->the_one_and_only();
+        active_configurations->ordered_configs().front();
     EXPECT_EQ(std::string(test_case.expected_ruleset_flavor_value),
               actual_configuration.ruleset_flavor);
   }