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

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 29 matching lines @@
                                    PaymentRequestState* state,
                                    PaymentRequestDialogView* dialog);
 
   // Creates a controller which lists and allows selection of profiles
   // for contact info.
   static std::unique_ptr<ProfileListViewController>
   GetContactProfileViewController(PaymentRequestSpec* spec,
                                   PaymentRequestState* state,
                                   PaymentRequestDialogView* dialog);
 
-  // PaymentRequestSheetController:
-  std::unique_ptr<views::View> CreateView() override;
-
   // Returns a representation of the given profile appropriate for display
   // in this context.
   virtual std::unique_ptr<views::View> GetLabel(
       autofill::AutofillProfile* profile) = 0;
 
   virtual void SelectProfile(autofill::AutofillProfile* profile) = 0;
 
   virtual autofill::AutofillProfile* GetSelectedProfile() = 0;
 
  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;
 
-  // Returns the string displayed at the top of the view.
-  virtual base::string16 GetHeaderString() = 0;
+  void PopulateList();
+
+  // PaymentRequestSheetController:
+  void FillContentView(views::View* content_view) override;
 
  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_