Upstream Chrome on iOS source code [3/11].

ios/chrome/browser/ui/authentication/re_signin_infobar_delegate.h

+// Copyright 2013 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 IOS_CHROME_BROWSER_UI_AUTHENTICATION_RE_SIGNIN_INFOBAR_DELEGATE_H_
+#define IOS_CHROME_BROWSER_UI_AUTHENTICATION_RE_SIGNIN_INFOBAR_DELEGATE_H_
+
+#include <memory>
+
+#include "base/strings/string16.h"
+#include "components/infobars/core/confirm_infobar_delegate.h"
+#include "components/infobars/core/infobar.h"
+#include "ui/gfx/image/image.h"
+
+namespace infobars {
+class InfoBarManager;
+}  // namespace infobars
+
+namespace ios {
+class ChromeBrowserState;
+}  // namespace ios
+
+@class Tab;
+
+// A confirmation infobar prompting user to bring up the sign-in screen.
+class ReSignInInfoBarDelegate : public ConfirmInfoBarDelegate {
+ public:
+  explicit ReSignInInfoBarDelegate(ios::ChromeBrowserState* browser_state);
+  ~ReSignInInfoBarDelegate() override;
+
+  // Creates a re-sign-in error infobar and adds it to the |tab|. Returns
+  // whether the infobar was actually added.
+  static bool Create(ios::ChromeBrowserState* browser_state, Tab* tab);
+
+  // Creates a re-sign-in error infobar, but does not add it to tab content.
+  static std::unique_ptr<infobars::InfoBar> CreateInfoBar(
+      infobars::InfoBarManager* infobar_manager,
+      ios::ChromeBrowserState* browser_state);
+
+  // Creates a re-sign-in error infobar delegate, visible for testing.
+  static std::unique_ptr<ReSignInInfoBarDelegate> CreateInfoBarDelegate(
+      ios::ChromeBrowserState* browser_state);
+
+  // InfobarDelegate implementation.
+  InfoBarIdentifier GetIdentifier() const override;
+
+  // ConfirmInfoBarDelegate implementation.
+  base::string16 GetMessageText() const override;
+  int GetButtons() const override;
+  base::string16 GetButtonLabel(InfoBarButton button) const override;
+  gfx::Image GetIcon() const override;
+  bool Accept() override;
+  void InfoBarDismissed() override;
+
+ private:
+  ios::ChromeBrowserState* browser_state_;
+  gfx::Image icon_;
+
+  DISALLOW_COPY_AND_ASSIGN(ReSignInInfoBarDelegate);
+};
+
+#endif  // IOS_CHROME_BROWSER_UI_AUTHENTICATION_RE_SIGNIN_INFOBAR_DELEGATE_H_