[Web Payments] Re-add extra view in the footer.

chrome/browser/ui/views/payments/editor_view_controller.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/editor_view_controller.h"
 
 #include <memory>
 #include <utility>
 
 #include "base/memory/ptr_util.h"
@@ skipping 63 matching lines @@
           true, l10n_util::GetStringUTF16(
                     IDS_PAYMENT_REQUEST_CREDIT_CARD_EDITOR_ADD_TITLE),
           this),
       std::move(content_view));
 }
 
 // Adds the "required fields" label in disabled text, to obtain this result.
 // +---------------------------------------------------------+
 // | "* indicates required fields"           | CANCEL | DONE |
 // +---------------------------------------------------------+
-std::unique_ptr<views::View> EditorViewController::CreateLeadingFooterView() {
+std::unique_ptr<views::View> EditorViewController::CreateExtraFooterView() {
   std::unique_ptr<views::View> content_view = base::MakeUnique<views::View>();
 
   views::BoxLayout* layout =
       new views::BoxLayout(views::BoxLayout::kHorizontal, 0, 0, 0);
   layout->set_main_axis_alignment(views::BoxLayout::MAIN_AXIS_ALIGNMENT_START);
   layout->set_cross_axis_alignment(
       views::BoxLayout::CROSS_AXIS_ALIGNMENT_START);
   content_view->SetLayoutManager(layout);
 
   // Adds the "* indicates a required field" label in "disabled" grey text.
@@ skipping 140 matching lines @@
   error_label->SetFontList(
       error_label->GetDefaultFontList().DeriveWithSizeDelta(-1));
   error_label->SetEnabledColor(error_label->GetNativeTheme()->GetSystemColor(
       ui::NativeTheme::kColorId_AlertSeverityHigh));
   error_labels_[field] = error_label.get();
 
   layout->AddView(error_label.release());
 }
 
 }  // namespace payments