[Password Generation] Send a boolean flag of whether user changed generated password

components/autofill/content/common/autofill_driver.mojom

 // Copyright 2016 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.
 
 module autofill.mojom;
 
 import "components/autofill/content/common/autofill_types.mojom";
 import "mojo/common/string16.mojom";
 import "mojo/common/text_direction.mojom";
 import "mojo/common/time.mojom";
@@ skipping 79 matching lines @@
                           mojo.common.mojom.String16 typed_username,
                           int32 options, gfx.mojom.RectF bounds);
 
   // Instructs the browser to show a popup with a warning that the form
   // is not secure. The popup will use |text_direction| for displaying
   // text. This popup is shown when a password form on a non-secure page is
   // autofilled on page load.
   ShowNotSecureWarning(mojo.common.mojom.TextDirection text_direction,
                        gfx.mojom.RectF bounds);
 
-  // Instructs the browser to presave the form with generated password.
+  // Instructs the browser to presave the form with generated password. Also
+  // notifies whether the password was modified by user.
   PresaveGeneratedPassword(PasswordForm password_form);
 
   // Instructs the browser that form no longer contains a generated password and
   // the presaved form should be removed.
   PasswordNoLongerGenerated(PasswordForm password_form);
 
   // Sends the outcome of HTML parsing based form classifier that detects the
   // forms where password generation should be available.
   SaveGenerationFieldDetectedByClassifier(
       PasswordForm password_form, mojo.common.mojom.String16 generation_field);
@@ skipping 25 matching lines @@
       PasswordForm password_form);
 
   // Instructs the browser to show the popup for editing a generated password.
   // The location should be specified in the renderers coordinate system. Form
   // is the form associated with the password field.
   ShowPasswordEditingPopup(gfx.mojom.RectF bounds, PasswordForm password_form);
 
   // Instructs the browser to hide any password generation popups.
   HidePasswordGenerationPopup();
 };