Focus first invalid field of payment request editor

chrome/browser/ui/views/payments/validating_textfield.cc

 // Copyright 2017 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/views/payments/validating_textfield.h"
 
 #include <utility>
 
 namespace payments {
 
 ValidatingTextfield::ValidatingTextfield(
     std::unique_ptr<ValidationDelegate> delegate)
     : Textfield(), delegate_(std::move(delegate)) {}
 
 ValidatingTextfield::~ValidatingTextfield() {}
 
 void ValidatingTextfield::OnBlur() {
   Textfield::OnBlur();
 
   // The first validation should be on a blur. The subsequent validations will
   // occur when the content changes. Do not validate if the view is being
   // removed.
   if (!was_blurred_ && !being_removed_) {
     was_blurred_ = true;
-    Validate();
+    Validate(/*display_error=*/true);
   }
 }
 
 void ValidatingTextfield::ViewHierarchyChanged(
     const ViewHierarchyChangedDetails& details) {
   if (details.child == this && !details.is_add)
     being_removed_ = true;
 }
 
 void ValidatingTextfield::OnContentsChanged() {
   // Validation on every keystroke only happens if the field has been validated
   // before as part of a blur.
   if (!was_blurred_)
     return;
 
-  Validate();
+  Validate(/*display_error=*/true);
 }
 
-void ValidatingTextfield::Validate() {
+void ValidatingTextfield::Validate(bool display_error) {
   // ValidateTextfield may have side-effects, such as displaying errors.
-  SetInvalid(!delegate_->ValidateTextfield(this));
+  SetInvalid(!delegate_->ValidateTextfield(this, display_error));
 }
 
 }  // namespace payments