[Password Manager] Suppress UI when password generation is active

chrome/renderer/autofill/password_generation_test_utils.h

 // Copyright 2015 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 CHROME_RENDERER_AUTOFILL_PASSWORD_GENERATION_TEST_UTILS_H_
 #define CHROME_RENDERER_AUTOFILL_PASSWORD_GENERATION_TEST_UTILS_H_
 
 #include <string>
 
 namespace blink {
 class WebDocument;
 }
 
 namespace autofill {
 
 class TestPasswordGenerationAgent;
 
 void SetNotBlacklistedMessage(TestPasswordGenerationAgent* generation_agent,
                               const char* form_str);
 void SetAccountCreationFormsDetectedMessage(TestPasswordGenerationAgent* agent,
                                             blink::WebDocument document,
                                             int form_index);
+void ExpectPasswordGenerationAvailable(TestPasswordGenerationAgent* agent,
+                                       bool available);
 
 }  // namespace autofill
 
 #endif  // CHROME_RENDERER_AUTOFILL_PASSWORD_GENERATION_TEST_UTILS_H_