[Payments] Display the shipping option error alongside the address

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

 // 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.
 
 #ifndef CHROME_BROWSER_UI_VIEWS_PAYMENTS_PROFILE_LIST_VIEW_CONTROLLER_H_
 #define CHROME_BROWSER_UI_VIEWS_PAYMENTS_PROFILE_LIST_VIEW_CONTROLLER_H_
 
 #include <memory>
 #include <vector>
 
@@ skipping 49 matching lines @@
   virtual void SelectProfile(autofill::AutofillProfile* profile) = 0;
 
   // Shows an editor for modifying |profile|, or for creating a new profile
   // if |profile| is null.
   virtual void ShowEditor(autofill::AutofillProfile* profile) = 0;
 
   virtual autofill::AutofillProfile* GetSelectedProfile() = 0;
 
   virtual bool IsValidProfile(const autofill::AutofillProfile& profile) = 0;
 
+  // Whether |profile| should be displayed in an enabled state and selectable.
+  bool IsEnabled(autofill::AutofillProfile* profile);
+
  protected:
   // Does not take ownership of the arguments, which should outlive this object.
   ProfileListViewController(PaymentRequestSpec* spec,
                             PaymentRequestState* state,
                             PaymentRequestDialogView* dialog);
 
   // Returns the profiles cached by |request| which are appropriate for display
   // in this context.
   virtual std::vector<autofill::AutofillProfile*> GetProfiles() = 0;
 
   virtual DialogViewID GetDialogViewId() = 0;
 
+  // Subclasses may choose to provide a header view to go on top of the item
+  // list view.
+  virtual std::unique_ptr<views::View> CreateHeaderView();
+
   void PopulateList();
 
   // PaymentRequestSheetController:
   void FillContentView(views::View* content_view) override;
 
   // Settings and events related to the secondary button in the footer area.
   virtual int GetSecondaryButtonTextId() = 0;
   virtual int GetSecondaryButtonTag() = 0;
   virtual int GetSecondaryButtonViewId() = 0;
 
  private:
   std::unique_ptr<views::Button> CreateRow(autofill::AutofillProfile* profile);
   PaymentRequestItemList list_;
 
   DISALLOW_COPY_AND_ASSIGN(ProfileListViewController);
 };
 
 }  // namespace payments
 
 #endif  // CHROME_BROWSER_UI_VIEWS_PAYMENTS_PROFILE_LIST_VIEW_CONTROLLER_H_