Polymer upgraded to 1.0 in login flow.

chrome/browser/resources/chromeos/login/screen_gaia_signin.css

Index: chrome/browser/resources/chromeos/login/screen_gaia_signin.css
diff --git a/chrome/browser/resources/chromeos/login/screen_gaia_signin.css b/chrome/browser/resources/chromeos/login/screen_gaia_signin.css
index 18a985760280ed4309f2572ea7b021c1de96b65f..8c4654b55b933e8b312b63c5c6dc7e18f7fb968d 100644
--- a/chrome/browser/resources/chromeos/login/screen_gaia_signin.css
+++ b/chrome/browser/resources/chromeos/login/screen_gaia_signin.css
@@ -23,14 +23,10 @@
   display: none;
 }
 
-throbber-notice {
+#inner-container:not(.new-gaia-flow) throbber-notice {
   display: none;
 }
 
-.new-gaia-flow throbber-notice {
-  display: block;
-}
-
 #gaia-signin.full-width {
   padding: 75px 0 0;
 }
@@ -73,8 +69,8 @@ throbber-notice {
   z-index: 1;
 }
 
-#close-button-item:disabled,
-#back-button-item:disabled {
+#close-button-item[disabled],
+#back-button-item[disabled] {
   color: rgb(127, 127, 127);
 }
 
@@ -288,8 +284,3 @@ webview#signin-frame.show {
   visibility: hidden;
 }
 
-html /deep/ #forgotPasswordDlg {
-  position: fixed;
-  top: 200px;
-  width: 350px;
-}