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

components/autofill/core/browser/form_structure_unittest.cc

 // Copyright 2013 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.
 
 #include "components/autofill/core/browser/form_structure.h"
 
 #include <stddef.h>
 
 #include <memory>
 
@@ skipping 2418 matching lines @@
   AutofillUploadContents::Field* upload_password_field = upload.add_field();
   test::FillUploadField(upload_password_field, 2051817934U, "password",
                         "password", "email", 76U);
   upload_password_field->set_form_classifier_outcome(
       AutofillUploadContents::Field::GENERATION_ELEMENT);
   upload_password_field->set_generation_type(
       AutofillUploadContents::Field::
           MANUALLY_TRIGGERED_GENERATION_ON_SIGN_UP_FORM);
   upload_password_field->set_properties_mask(FieldPropertiesFlags::HAD_FOCUS |
                                              FieldPropertiesFlags::USER_TYPED);
+  upload_password_field->set_generated_password_changed(true);
 
   std::string expected_upload_string;
   ASSERT_TRUE(upload.SerializeToString(&expected_upload_string));
 
   AutofillUploadContents encoded_upload;
   EXPECT_TRUE(form_structure->EncodeUploadRequest(available_field_types, true,
                                                   "42", true, &encoded_upload));
 
   std::string encoded_upload_string;
   encoded_upload.SerializeToString(&encoded_upload_string);
@@ skipping 1399 matching lines @@
   prefix = FormStructure::FindLongestCommonPrefix(strings);
   EXPECT_EQ(ASCIIToUTF16("1234567890123456"), prefix);
 
   // Empty vector.
   strings.clear();
   prefix = FormStructure::FindLongestCommonPrefix(strings);
   EXPECT_EQ(ASCIIToUTF16(""), prefix);
 }
 
 }  // namespace autofill