Implement signin using webview

chrome/browser/ui/webui/signin/inline_login_ui.cc

Index: chrome/browser/ui/webui/signin/inline_login_ui.cc
diff --git a/chrome/browser/ui/webui/signin/inline_login_ui.cc b/chrome/browser/ui/webui/signin/inline_login_ui.cc
index cf3ec666e6f4ce11c80e020def286f4ba2c6964a..9fd5b1e1c615cebb729551af71aee0a8228e180e 100644
--- a/chrome/browser/ui/webui/signin/inline_login_ui.cc
+++ b/chrome/browser/ui/webui/signin/inline_login_ui.cc
@@ -9,6 +9,7 @@
 #include "chrome/browser/sessions/session_tab_helper.h"
 #include "chrome/common/url_constants.h"
 #include "chrome/grit/chromium_strings.h"
+#include "components/signin/core/common/profile_management_switches.h"
 #include "content/public/browser/render_frame_host.h"
 #include "content/public/browser/web_ui.h"
 #include "content/public/browser/web_ui_data_source.h"
@@ -28,9 +29,13 @@ content::WebUIDataSource* CreateWebUIDataSource() {
   source->OverrideContentSecurityPolicyObjectSrc("object-src *;");
   source->SetJsonPath("strings.js");
 
-  source->SetDefaultResource(IDR_INLINE_LOGIN_HTML);
+  bool is_webview_signin_enabled = switches::IsEnableWebviewBasedSignin();
+  source->SetDefaultResource(is_webview_signin_enabled ?
+      IDR_NEW_INLINE_LOGIN_HTML : IDR_INLINE_LOGIN_HTML);
   source->AddResourcePath("inline_login.css", IDR_INLINE_LOGIN_CSS);
   source->AddResourcePath("inline_login.js", IDR_INLINE_LOGIN_JS);
+  source->AddResourcePath("gaia_auth_host.js", is_webview_signin_enabled ?
+      IDR_GAIA_AUTH_AUTHENTICATOR_JS : IDR_GAIA_AUTH_HOST_JS);
 
   source->AddLocalizedString("title", IDS_CHROME_SIGNIN_TITLE);
   return source;