Add layout tests for ServiceWorker's notificationclose event.

components/test_runner/test_runner.h

 // Copyright 2014 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_TEST_RUNNER_TEST_RUNNER_H_
 #define COMPONENTS_TEST_RUNNER_TEST_RUNNER_H_
 
 #include <stdint.h>
 
 #include <deque>
@@ skipping 572 matching lines @@
   // Calls setlocale(LC_ALL, ...) for a specified locale.
   // Resets between tests.
   void SetPOSIXLocale(const std::string& locale);
 
   // MIDI function to control permission handling.
   void SetMIDIAccessorResult(bool result);
 
   // Simulates a click on a Web Notification.
   void SimulateWebNotificationClick(const std::string& title, int action_index);
 
+  // Simulates closing a Web Notification.
+  void SimulateWebNotificationClose(const std::string& title, bool by_user);
+
   // Speech recognition related functions.
   void AddMockSpeechRecognitionResult(const std::string& transcript,
                                       double confidence);
   void SetMockSpeechRecognitionError(const std::string& error,
                                      const std::string& message);
   bool WasMockSpeechRecognitionAborted();
 
   // Credential Manager mock functions
   // TODO(mkwst): Support FederatedCredential.
   void AddMockCredentialManagerResponse(const std::string& id,
@@ skipping 241 matching lines @@
   bool use_mock_theme_;
 
   base::WeakPtrFactory<TestRunner> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(TestRunner);
 };
 
 }  // namespace test_runner
 
 #endif  // COMPONENTS_TEST_RUNNER_TEST_RUNNER_H_