[Autofill] Credit Card Assist Infobar

components/autofill/core/browser/assist_manager.h

+// Copyright 2016 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 COMPONENTS_AUTOFILL_CORE_BROWSER_ASSIST_MANAGER_H_
+#define COMPONENTS_AUTOFILL_CORE_BROWSER_ASSIST_MANAGER_H_
+
+#include <memory>
+#include <vector>
+
+#include "base/macros.h"
+#include "base/memory/weak_ptr.h"
+#include "components/autofill/core/common/form_data.h"
+
+namespace autofill {
+
+class AutofillManager;
+class CreditCard;
+class FormStructure;
+
+class AssistManager {
+ public:
+  explicit AssistManager(AutofillManager* autofill_manager);
+  ~AssistManager();
+
+  // Returns whether an assist can be shown. Will go through the forms in
+  // |form_structures| and extract the credit card form.
+  bool CanShowCreditCardAssist(
+      const std::vector<FormStructure*>& form_structures);
+
+  // Should be called at every page navigation to clear state.
+  void Reset();
+
+  // Will show an assist infobar for the previously extracted form. Can only
+  // be called if CanShowCreditCardAssist() returned true.
+  void ShowAssistForCreditCard(const CreditCard& card);
+
+ private:
+  void OnUserDidAcceptCreditCardFill(const CreditCard& card);
+
+  // Holds the FormData to be filled with a credit card.
+  std::unique_ptr<FormData> credit_card_form_data_;
+
+  AutofillManager* autofill_manager_;  // Weakly owned.

[please use gerrit instead, 2016/07/27 17:02:26]

s/Weakly owned/Weak/ --- because it's not owned.

Add a comment that this AutofillManager owns this AssistManager and is in charge
of deleting it.

[Mathieu, 2016/07/27 21:35:52]

Done.

+
+  base::WeakPtrFactory<AssistManager> weak_ptr_factory_;
+
+  DISALLOW_COPY_AND_ASSIGN(AssistManager);
+};
+
+}  // namespace autofill
+
+#endif  // COMPONENTS_AUTOFILL_CORE_BROWSER_ASSIST_MANAGER_H_