[Web Payments] Refactor sheet display to allow updating view content

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 <map>
 #include <memory>
 #include <utility>
 
@@ skipping 35 matching lines @@
 
 }  // namespace
 
 EditorViewController::EditorViewController(PaymentRequestSpec* spec,
                                            PaymentRequestState* state,
                                            PaymentRequestDialogView* dialog)
     : PaymentRequestSheetController(spec, state, dialog) {}
 
 EditorViewController::~EditorViewController() {}
 
-std::unique_ptr<views::View> EditorViewController::CreateView() {
-  std::unique_ptr<views::View> content_view = base::MakeUnique<views::View>();
-
-  views::BoxLayout* layout =
-      new views::BoxLayout(views::BoxLayout::kVertical, 0, 0, 0);
-  layout->set_main_axis_alignment(views::BoxLayout::MAIN_AXIS_ALIGNMENT_START);
-  layout->set_cross_axis_alignment(
-      views::BoxLayout::CROSS_AXIS_ALIGNMENT_STRETCH);
-  content_view->SetLayoutManager(layout);
-  // No insets. Child views below are responsible for their padding.
-
-  // An editor can optionally have a header view specific to it.
-  content_view->AddChildView(CreateHeaderView().release());
-
-  // The heart of the editor dialog: all the input fields with their labels.
-  content_view->AddChildView(CreateEditorView().release());
-
-  return CreatePaymentView(
-      CreateSheetHeaderView(
-          true, l10n_util::GetStringUTF16(GetViewHeaderTitleId()), this),
-      std::move(content_view));
-}
-
 void EditorViewController::DisplayErrorMessageForField(
     const EditorField& field,
     const base::string16& error_message) {
   const auto& label_it = error_labels_.find(field);
   DCHECK(label_it != error_labels_.end());
   label_it->second->SetText(error_message);
   label_it->second->SchedulePaint();
   dialog()->Layout();
 }
 
 std::unique_ptr<views::Button> EditorViewController::CreatePrimaryButton() {
   std::unique_ptr<views::Button> button(
       views::MdTextButton::CreateSecondaryUiBlueButton(
           this, l10n_util::GetStringUTF16(IDS_DONE)));
   button->set_tag(static_cast<int>(EditorViewControllerTags::SAVE_BUTTON));
   button->set_id(static_cast<int>(DialogViewID::EDITOR_SAVE_BUTTON));
   return button;
 }
 
+void EditorViewController::FillContentView(views::View* content_view) {
+  views::BoxLayout* layout =
+      new views::BoxLayout(views::BoxLayout::kVertical, 0, 0, 0);
+  layout->set_main_axis_alignment(views::BoxLayout::MAIN_AXIS_ALIGNMENT_START);
+  layout->set_cross_axis_alignment(
+      views::BoxLayout::CROSS_AXIS_ALIGNMENT_STRETCH);
+  content_view->SetLayoutManager(layout);
+  // No insets. Child views below are responsible for their padding.
+
+  // An editor can optionally have a header view specific to it.
+  content_view->AddChildView(CreateHeaderView().release());
+
+  // The heart of the editor dialog: all the input fields with their labels.
+  content_view->AddChildView(CreateEditorView().release());
+}
+
 // Adds the "required fields" label in disabled text, to obtain this result.
 // +---------------------------------------------------------+
 // | "* indicates required fields"           | CANCEL | DONE |
 // +---------------------------------------------------------+
 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);
@@ skipping 126 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