Add support for multiple simultaneous subresource_filter::Configurations.

components/subresource_filter/core/browser/subresource_filter_features_test_support.h

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef COMPONENTS_SUBRESOURCE_FILTER_CORE_BROWSER_SUBRESOURCE_FILTER_FEATURES_TEST_SUPPORT_H_
 #define COMPONENTS_SUBRESOURCE_FILTER_CORE_BROWSER_SUBRESOURCE_FILTER_FEATURES_TEST_SUPPORT_H_
 
 #include "base/feature_list.h"
 #include "base/macros.h"
 #include "base/test/scoped_feature_list.h"
 #include "components/subresource_filter/core/browser/subresource_filter_features.h"
 
 namespace subresource_filter {
 namespace testing {
 
 // Helper class to override the active subresource filtering configuration to be
 // used in tests while the instance is in scope.
 //
 // Configuration overrides can be nested, and will take effect regardless of
 // field trial, feature, and/or variation parameter states.
 class ScopedSubresourceFilterConfigurator {
  public:
   explicit ScopedSubresourceFilterConfigurator(
-      scoped_refptr<ConfigurationList> configs = nullptr);
+      scoped_refptr<ConfigurationList> config_list = nullptr);
   explicit ScopedSubresourceFilterConfigurator(Configuration config);
+  explicit ScopedSubresourceFilterConfigurator(
+      std::vector<Configuration> configs);
   ~ScopedSubresourceFilterConfigurator();
 
   void ResetConfiguration(Configuration config);
 
  private:
   scoped_refptr<ConfigurationList> original_config_;
 
   DISALLOW_COPY_AND_ASSIGN(ScopedSubresourceFilterConfigurator);
 };
 
@@ skipping 16 matching lines @@
   ScopedSubresourceFilterConfigurator scoped_configuration_;
   base::test::ScopedFeatureList scoped_feature_list_;
 
   DISALLOW_COPY_AND_ASSIGN(ScopedSubresourceFilterFeatureToggle);
 };
 
 }  // namespace testing
 }  // namespace subresource_filter
 
 #endif  // COMPONENTS_SUBRESOURCE_FILTER_CORE_BROWSER_SUBRESOURCE_FILTER_FEATURES_TEST_SUPPORT_H_