[Password Manager] Update Confirmation UI for saved password change for Chrome on Android.

chrome/browser/password_manager/update_password_infobar_delegate.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 CHROME_BROWSER_PASSWORD_MANAGER_UPDATE_PASSWORD_INFOBAR_DELEGATE_H_
+#define CHROME_BROWSER_PASSWORD_MANAGER_UPDATE_PASSWORD_INFOBAR_DELEGATE_H_
+
+#include <vector>
+
+#include "base/macros.h"
+#include "base/memory/scoped_ptr.h"
+#include "chrome/browser/password_manager/password_manager_infobar_delegate.h"
+#include "chrome/browser/ui/passwords/manage_passwords_state.h"
+#include "components/password_manager/core/browser/password_form_manager.h"
+
+namespace content {
+class WebContents;
+}
+
+// An infobar delegate which asks the user if the password should be updated for
+// a set of saved credentials for a site.  If several such sets are present, the
+// user can choose which one to update.  PasswordManager displays this infobar
+// when the user signs into the site with a new password for a known username
+// or fills in a password change form.
+class UpdatePasswordInfoBarDelegate : public PasswordManagerInfoBarDelegate {
+ public:
+  static void Create(
+      content::WebContents* web_contents,
+      scoped_ptr<password_manager::PasswordFormManager> form_to_update);
+
+  ~UpdatePasswordInfoBarDelegate() override;
+
+  base::string16 GetBranding() const;
+  bool is_smartlock_branding_enabled() const {
+    return is_smartlock_branding_enabled_;
+  }
+
+  // Returns whether the user has multiple saved credentials, of which the
+  // infobar affects just one. In this case the infobar should clarify which
+  // credential is being affected.
+  bool ShowMultipleAccounts() const;
+
+  const std::vector<const autofill::PasswordForm*>& GetCurrentForms() const;
+
+  // Returns the username of the saved credentials in the case when there is
+  // only one credential pair stored.
+  base::string16 get_username_for_single_account() {
+    return passwords_state_.form_manager()
+        ->pending_credentials()
+        .username_value;
+  }
+
+ private:
+  UpdatePasswordInfoBarDelegate(
+      content::WebContents* web_contents,
+      scoped_ptr<password_manager::PasswordFormManager> form_to_update,
+      bool is_smartlock_branding_enabled);
+
+  // ConfirmInfoBarDelegate:
+  infobars::InfoBarDelegate::InfoBarIdentifier GetIdentifier() const override;
+  base::string16 GetButtonLabel(InfoBarButton button) const override;
+  bool Accept() override;
+  bool Cancel() override;
+
+  ManagePasswordsState passwords_state_;
+  base::string16 branding_;
+  bool is_smartlock_branding_enabled_;
+
+  DISALLOW_COPY_AND_ASSIGN(UpdatePasswordInfoBarDelegate);
+};
+
+#endif  // CHROME_BROWSER_PASSWORD_MANAGER_UPDATE_PASSWORD_INFOBAR_DELEGATE_H_