Autofill server-side heuristics for 2 fields password form

components/autofill/core/browser/autofill_manager.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/autofill_manager.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
@@ skipping 925 matching lines @@
 
 bool AutofillManager::IsCreditCardUploadEnabled() {
   return ::autofill::IsCreditCardUploadEnabled(
       client_->GetPrefs(), client_->GetSyncService(),
       GetIdentityProvider()->GetActiveUsername());
 }
 
 bool AutofillManager::ShouldUploadForm(const FormStructure& form) {
   return IsAutofillEnabled() && !driver_->IsOffTheRecord() &&
          form.ShouldBeParsed() &&
-         form.active_field_count() >= kRequiredFieldsForUpload;
+         (form.active_field_count() >= kRequiredFieldsForUpload ||
+          (form.all_fields_are_passwords() &&
+           form.active_field_count() >=
+               kRequiredFieldsForFormsWithOnlyPasswordFields));
 }
 
 void AutofillManager::ImportFormData(const FormStructure& submitted_form) {
   scoped_ptr<CreditCard> imported_credit_card;
   if (!personal_data_->ImportFormData(
           submitted_form, IsCreditCardUploadEnabled(), &imported_credit_card)) {
     return;
   }
 
 #ifdef ENABLE_FORM_DEBUG_DUMP
@@ skipping 817 matching lines @@
     if (i > 0)
       fputs("Next oldest form:\n", file);
   }
   fputs("\n", file);
 
   fclose(file);
 }
 #endif  // ENABLE_FORM_DEBUG_DUMP
 
 }  // namespace autofill