Add clean up logic to navigator.credentials layout tests

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 524 matching lines @@
   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);
 
   // Credential Manager mock functions
   // TODO(mkwst): Support FederatedCredential.
-  void AddMockCredentialManagerResponse(const std::string& id,
+  void SetMockCredentialManagerResponse(const std::string& id,
                                         const std::string& name,
                                         const std::string& avatar,
                                         const std::string& password);
-  void AddMockCredentialManagerError(const std::string& error);
+  void ClearMockCredentialManagerResponse();
+  void SetMockCredentialManagerError(const std::string& error);
 
   // Takes care of notifying the delegate after a change to layout test runtime
   // flags.
   void OnLayoutTestRuntimeFlagsChanged();
 
   ///////////////////////////////////////////////////////////////////////////
   // Internal helpers
 
   bool IsFramePartOfMainTestWindow(blink::WebFrame*) const;
 
@@ skipping 95 matching lines @@
   blink::WebEffectiveConnectionType effective_connection_type_;
 
   base::WeakPtrFactory<TestRunner> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(TestRunner);
 };
 
 }  // namespace test_runner
 
 #endif  // COMPONENTS_TEST_RUNNER_TEST_RUNNER_H_