Generate passwords only for forms that autofill server marks as account creation forms.

chrome/browser/ui/autofill/tab_autofill_manager_delegate.cc

 // 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.
 
 #include "chrome/browser/ui/autofill/tab_autofill_manager_delegate.h"
 
 #include "base/logging.h"
 #include "base/prefs/pref_service.h"
 #include "chrome/browser/autofill/autofill_cc_infobar_delegate.h"
 #include "chrome/browser/autofill/personal_data_manager_factory.h"
 #include "chrome/browser/infobars/infobar_service.h"
+#include "chrome/browser/password_manager/password_generation_manager.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/autofill/autofill_dialog_controller.h"
 #include "chrome/browser/ui/autofill/autofill_popup_controller_impl.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_finder.h"
 #include "chrome/browser/ui/browser_window.h"
 #include "chrome/browser/ui/chrome_pages.h"
 #include "chrome/browser/ui/tabs/tab_strip_model_observer.h"
 #include "chrome/common/url_constants.h"
 #include "components/autofill/content/browser/autofill_driver_impl.h"
@@ skipping 142 matching lines @@
     return;
 
   HideRequestAutocompleteDialog();
 }
 
 void TabAutofillManagerDelegate::WebContentsDestroyed(
     content::WebContents* web_contents) {
   HideAutofillPopup();
 }
 
+void TabAutofillManagerDelegate::DetectAccountCreationForms(
+    const std::vector<autofill::FormStructure*>& forms) {
+  PasswordGenerationManager* manager =
+      PasswordGenerationManager::FromWebContents(web_contents_);
+  if (manager)
+    manager->DetectAccountCreationForms(forms);
+}
+
 }  // namespace autofill