[Abandoned] Add Autofill to the <webview> chrome://chrome-signin page

chrome/browser/guest_view/web_view/chrome_web_view_guest_delegate.cc

Index: chrome/browser/guest_view/web_view/chrome_web_view_guest_delegate.cc
diff --git a/chrome/browser/guest_view/web_view/chrome_web_view_guest_delegate.cc b/chrome/browser/guest_view/web_view/chrome_web_view_guest_delegate.cc
index 31ebe4eafbcf9d56b69c3c61f24a692244c9b088..7d0ed846d08f14d4161b46df07b24ee9193042b4 100644
--- a/chrome/browser/guest_view/web_view/chrome_web_view_guest_delegate.cc
+++ b/chrome/browser/guest_view/web_view/chrome_web_view_guest_delegate.cc
@@ -2,14 +2,17 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-
 #include "chrome/browser/guest_view/web_view/chrome_web_view_guest_delegate.h"
 
+#include "chrome/browser/browser_process.h"
 #include "chrome/browser/extensions/chrome_extension_web_contents_observer.h"
 #include "chrome/browser/favicon/favicon_tab_helper.h"
+#include "chrome/browser/password_manager/chrome_password_manager_client.h"
 #include "chrome/browser/renderer_context_menu/render_view_context_menu.h"
+#include "chrome/browser/ui/autofill/chrome_autofill_client.h"
 #include "chrome/browser/ui/pdf/chrome_pdf_web_contents_helper_client.h"
 #include "chrome/common/chrome_version_info.h"
+#include "components/autofill/content/browser/content_autofill_driver_factory.h"
 #include "components/pdf/browser/pdf_web_contents_helper.h"
 #include "components/renderer_context_menu/context_menu_delegate.h"
 #include "extensions/browser/api/web_request/web_request_api.h"
@@ -75,6 +78,17 @@ void ChromeWebViewGuestDelegate::OnAttachWebViewHelpers(
       contents,
       scoped_ptr<pdf::PDFWebContentsHelperClient>(
           new ChromePDFWebContentsHelperClient()));
+
+  autofill::ChromeAutofillClient::CreateForWebContents(contents);
+  ChromePasswordManagerClient::CreateForWebContentsWithAutofillClient(
+      contents,
+      autofill::ChromeAutofillClient::FromWebContents(contents));
+
+  autofill::ContentAutofillDriverFactory::CreateForWebContentsAndDelegate(
+      contents,
+      autofill::ChromeAutofillClient::FromWebContents(contents),
+      g_browser_process->GetApplicationLocale(),
+      autofill::AutofillManager::ENABLE_AUTOFILL_DOWNLOAD_MANAGER);
 }
 
 void ChromeWebViewGuestDelegate::OnDidCommitProvisionalLoadForFrame(