Show "About panel" bubble on Windows.

chrome/browser/ui/panels/panel_originator_delegate.h

+// Copyright (c) 2011 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_PANELS_PANEL_ORIGINATOR_DELEGATE_H_
+#define CHROME_BROWSER_UI_PANELS_PANEL_ORIGINATOR_DELEGATE_H_
+#pragma once
+
+#include <string>
+#include "base/basictypes.h"
+#include "base/time.h"
+
+// An interface implemented by an object that initiates a panel, i.e. extension,
+// to provide the information for display at about panel bubble.
+class PanelOriginatorDelegate {
+ public:
+  virtual ~PanelOriginatorDelegate() {}
+
+  virtual std::string GetOriginatorName() const = 0;
+  virtual std::string GetOriginatorDescription() const = 0;
+  virtual base::Time GetOriginatorInstallTime() const = 0;
+};
+
+#endif  // CHROME_BROWSER_UI_PANELS_PANEL_ORIGINATOR_DELEGATE_H_