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diff --git a/chromium/weblayer/browser/infobar_service.h b/chromium/weblayer/browser/infobar_service.h
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index 00000000000..95cb1ec184b
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+++ b/chromium/weblayer/browser/infobar_service.h
@@ -0,0 +1,50 @@
+// Copyright 2020 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 WEBLAYER_BROWSER_INFOBAR_SERVICE_H_
+#define WEBLAYER_BROWSER_INFOBAR_SERVICE_H_
+
+#include <memory>
+#include <vector>
+
+#include "base/macros.h"
+#include "build/build_config.h"
+#include "components/infobars/content/content_infobar_manager.h"
+#include "content/public/browser/web_contents_user_data.h"
+
+namespace content {
+class WebContents;
+}
+
+namespace weblayer {
+
+// WebLayer's specialization of ContentInfoBarManager, which ties the lifetime
+// of ContentInfoBarManager instances to that of the WebContents with which they
+// are associated.
+class InfoBarService : public infobars::ContentInfoBarManager,
+                       public content::WebContentsUserData<InfoBarService> {
+ public:
+  ~InfoBarService() override;
+  InfoBarService(const InfoBarService&) = delete;
+  InfoBarService& operator=(const InfoBarService&) = delete;
+
+  // InfoBarManager:
+  std::unique_ptr<infobars::InfoBar> CreateConfirmInfoBar(
+      std::unique_ptr<ConfirmInfoBarDelegate> delegate) override;
+
+ protected:
+  explicit InfoBarService(content::WebContents* web_contents);
+
+ private:
+  friend class content::WebContentsUserData<InfoBarService>;
+
+  // infobars::ContentInfoBarManager:
+  void WebContentsDestroyed() override;
+
+  WEB_CONTENTS_USER_DATA_KEY_DECL();
+};
+
+}  // namespace weblayer
+
+#endif  // WEBLAYER_BROWSER_INFOBAR_SERVICE_H_