[Web Payments] Handle "Enter" accelerator when there's a primary action

chrome/browser/ui/views/payments/contact_info_editor_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_CONTACT_INFO_EDITOR_VIEW_CONTROLLER_H_
 #define CHROME_BROWSER_UI_VIEWS_PAYMENTS_CONTACT_INFO_EDITOR_VIEW_CONTROLLER_H_
 
 #include <memory>
+#include <string>
 #include <vector>
 
 #include "base/macros.h"
 #include "base/strings/string16.h"
 #include "chrome/browser/ui/views/payments/editor_view_controller.h"
 #include "chrome/browser/ui/views/payments/validation_delegate.h"
 
 namespace autofill {
 class AutofillProfile;
 }  // namespace autofill
@@ skipping 25 matching lines @@
  protected:
   // PaymentRequestSheetController:
   base::string16 GetSheetTitle() override;
 
  private:
   bool ValidateModel();
   // Uses the values in the UI fields to populate the corresponding values in
   // |profile|.
   void PopulateProfile(autofill::AutofillProfile* profile);
 
+  bool GetSheetId(DialogViewID* sheet_id) override;
+
   autofill::AutofillProfile* profile_to_edit_;
 
   class ContactInfoValidationDelegate : public ValidationDelegate {
    public:
     ContactInfoValidationDelegate(const EditorField& field,
                                   const std::string& locale,
                                   EditorViewController* controller);
     ~ContactInfoValidationDelegate() override;
 
     // ValidationDelegate:
     bool ValidateTextfield(views::Textfield* textfield) override;
     bool ValidateCombobox(views::Combobox* combobox) override;
     void ComboboxModelChanged(views::Combobox* combobox) override {}
 
    private:
     EditorField field_;
     // Outlives this class. Never null.
     EditorViewController* controller_;
     const std::string& locale_;
   };
 };
 
 }  // namespace payments
 
 #endif  // CHROME_BROWSER_UI_VIEWS_PAYMENTS_CONTACT_INFO_EDITOR_VIEW_CONTROLLER_H_