Update appearance of invalid textfields in Harmony.

chrome/browser/ui/views/autofill/card_unmask_prompt_views.h

Index: chrome/browser/ui/views/autofill/card_unmask_prompt_views.h
diff --git a/chrome/browser/ui/views/autofill/card_unmask_prompt_views.h b/chrome/browser/ui/views/autofill/card_unmask_prompt_views.h
index d6a206df4c383454710e6351b6e4fd7705e43439..77ff2c67d0e76e44b69a531bb96bf54ae3b97667 100644
--- a/chrome/browser/ui/views/autofill/card_unmask_prompt_views.h
+++ b/chrome/browser/ui/views/autofill/card_unmask_prompt_views.h
@@ -26,13 +26,12 @@ class Checkbox;
 class ImageView;
 class Label;
 class Link;
+class Textfield;
 class Throbber;
 }
 
 namespace autofill {
 
-class DecoratedTextfield;
-
 class CardUnmaskPromptViews : public CardUnmaskPromptView,
                               public views::ComboboxListener,
                               public views::DialogDelegateView,
@@ -135,7 +134,7 @@ class CardUnmaskPromptViews : public CardUnmaskPromptView,
   // Holds the cvc and expiration inputs.
   View* input_row_;
 
-  DecoratedTextfield* cvc_input_;
+  views::Textfield* cvc_input_;
 
   views::Combobox* month_input_;
   views::Combobox* year_input_;