Suppress the autofill password manager after a credential was saved via the API.

chrome/browser/password_manager/password_manager_test_base.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_BROWSER_PASSWORD_MANAGER_PASSWORD_MANAGER_TEST_BASE_H_
 #define CHROME_BROWSER_PASSWORD_MANAGER_PASSWORD_MANAGER_TEST_BASE_H_
 
 #include <memory>
 
 #include "base/macros.h"
@@ skipping 49 matching lines @@
 class PromptObserver {
  public:
   virtual ~PromptObserver();
 
   // Checks if the save prompt is being currently shown.
   virtual bool IsShowingPrompt() const = 0;
 
   // Checks if the update prompt is being currently shown.
   virtual bool IsShowingUpdatePrompt() const;
 
+  // Dismisses the prompt currently open and moves the controller to the
+  // inactive state.
+  virtual void Dismiss() const = 0;
+
   // Expecting that the prompt is shown, saves the password. Checks that the
   // prompt is no longer visible afterwards.
   void Accept() const;
 
   // Expecting that the prompt is shown, update |form| with the password from
   // observed form. Checks that the prompt is no longer visible afterwards.
   void AcceptUpdatePrompt(const autofill::PasswordForm& form) const;
 
   // Chooses the right implementation of PromptObserver and creates an instance
   // of it.
@@ skipping 67 matching lines @@
 
   // Accessors
   content::WebContents* WebContents();
   content::RenderViewHost* RenderViewHost();
 
  private:
   DISALLOW_COPY_AND_ASSIGN(PasswordManagerBrowserTestBase);
 };
 
 #endif  // CHROME_BROWSER_PASSWORD_MANAGER_PASSWORD_MANAGER_TEST_BASE_H_