[Reland][Extensions Bindings] Add support for filtered events

extensions/renderer/api_bindings_system_unittest.h

 // Copyright 2017 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 EXTENSIONS_RENDERER_API_BINDINGS_SYSTEM_UNITTEST_H_
 #define EXTENSIONS_RENDERER_API_BINDINGS_SYSTEM_UNITTEST_H_
 
 #include <map>
 #include <memory>
 #include <string>
@@ skipping 39 matching lines @@
   virtual v8::Local<v8::Object> GetLastErrorParent(
       v8::Local<v8::Context> context);
 
   // Returns the DictionaryValue representing the schema with the given API
   // name.
   const base::DictionaryValue& GetAPISchema(const std::string& api_name);
 
   // Callback for event listeners changing.
   void OnEventListenersChanged(const std::string& event_name,
                                binding::EventListenersChanged changed,
+                               const base::DictionaryValue* filter,
                                v8::Local<v8::Context> context);
 
   // Callback for an API request being made. Stores the request in
   // |last_request_|.
   void OnAPIRequest(std::unique_ptr<APIRequestHandler::Request> request,
                     v8::Local<v8::Context> context);
 
   // Checks that |last_request_| exists and was provided with the
   // |expected_name| and |expected_arguments|.
   void ValidateLastRequest(const std::string& expected_name,
@@ skipping 22 matching lines @@
   // The last request to be received from the APIBindingsSystem, or null if
   // there is none.
   std::unique_ptr<APIRequestHandler::Request> last_request_;
 
   DISALLOW_COPY_AND_ASSIGN(APIBindingsSystemTest);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_RENDERER_API_BINDINGS_SYSTEM_UNITTEST_H_