[Payments] Changes to validation in the Credit Card editor

chrome/browser/ui/views/payments/validation_delegate.h

Index: chrome/browser/ui/views/payments/validation_delegate.h
diff --git a/chrome/browser/ui/views/payments/validation_delegate.h b/chrome/browser/ui/views/payments/validation_delegate.h
index 197f3ef534ab9b0f043174f8472d8a6dbf787981..96cafdfc333d63374262ec7bc015aaa17dd2497d 100644
--- a/chrome/browser/ui/views/payments/validation_delegate.h
+++ b/chrome/browser/ui/views/payments/validation_delegate.h
@@ -27,8 +27,10 @@ class ValidationDelegate {
   virtual bool IsValidCombobox(views::Combobox* combobox) = 0;
 
   // Notifications to let delegate react to input field changes and also let
-  // caller know if the new values are valid.
-  virtual bool TextfieldValueChanged(views::Textfield* textfield) = 0;
+  // caller know if the new values are valid. |was_blurred| indicates if the
+  // field has yet to be blurred once by the user.
+  virtual bool TextfieldValueChanged(views::Textfield* textfield,
+                                     bool was_blurred) = 0;
   virtual bool ComboboxValueChanged(views::Combobox* combobox) = 0;
 
   // Lets the delegate know that the model of the combobox has changed, e.g.,