[Password Manager] Show omnibox icon and anchored prompt once user start typing password

components/password_manager/core/browser/password_manager.h

 // Copyright (c) 2012 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_PASSWORD_MANAGER_CORE_BROWSER_PASSWORD_MANAGER_H_
 #define COMPONENTS_PASSWORD_MANAGER_CORE_BROWSER_PASSWORD_MANAGER_H_
 
 #include <map>
 #include <memory>
 #include <string>
@@ skipping 136 matching lines @@
   // Handles a password form being submitted.
   virtual void OnPasswordFormSubmitted(
       password_manager::PasswordManagerDriver* driver,
       const autofill::PasswordForm& password_form);
 
   // Handles a manual request to save password.
   void OnPasswordFormForceSaveRequested(
       password_manager::PasswordManagerDriver* driver,
       const autofill::PasswordForm& password_form);
 
+  // Handles a request to show manual fallback for password saving, i.e. the
+  // omnibox icon with the anchored hidden prompt.
+  void ShowManualFallbackForSaving(
+      password_manager::PasswordManagerDriver* driver,
+      const autofill::PasswordForm& password_form);
+
+  // Handles a request to hide manual fallback for password saving.
+  void HideManualFallbackForSaving();
+
   // Called if |password_form| was filled upon in-page navigation. This often
   // means history.pushState being called from JavaScript. If this causes false
   // positive in password saving, update http://crbug.com/357696.
   void OnInPageNavigation(password_manager::PasswordManagerDriver* driver,
                           const autofill::PasswordForm& password_form);
 
   void ProcessAutofillPredictions(
       password_manager::PasswordManagerDriver* driver,
       const std::vector<autofill::FormStructure*>& forms);
 
@@ skipping 110 matching lines @@
 
   // The user-visible URL from the last time a password was provisionally saved.
   GURL main_frame_url_;
 
   DISALLOW_COPY_AND_ASSIGN(PasswordManager);
 };
 
 }  // namespace password_manager
 
 #endif  // COMPONENTS_PASSWORD_MANAGER_CORE_BROWSER_PASSWORD_MANAGER_H_