Pepper Flash settings integration: implement "deauthorize content licenses".

content/public/browser/pepper_flash_settings_helper.h

+// Copyright (c) 2012 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 CONTENT_PUBLIC_BROWSER_PEPPER_FLASH_SETTINGS_HELPER_H_
+#define CONTENT_PUBLIC_BROWSER_PEPPER_FLASH_SETTINGS_HELPER_H_
+#pragma once
+
+#include "base/callback.h"
+#include "base/memory/ref_counted.h"
+#include "content/common/content_export.h"
+
+class FilePath;
+
+namespace IPC {
+struct ChannelHandle;
+}
+
+namespace content {
+
+// This class should only be used on the IO thread.
+class CONTENT_EXPORT PepperFlashSettingsHelper
+    : public base::RefCounted<PepperFlashSettingsHelper> {
+ public:
+  static scoped_refptr<PepperFlashSettingsHelper> Create();
+
+  // Called when OpenChannelToBroker() is completed.
+  // |success| indicates whether the channel is successfully opened to the
+  // broker. On error, |channel_handle| is set to IPC::ChannelHandle().
+  typedef base::Callback<void(bool /* success */,
+                              const IPC::ChannelHandle& /* channel_handle */)>
+      OpenChannelCallback;
+  virtual void OpenChannelToBroker(const FilePath& path,
+                                   const OpenChannelCallback& callback) = 0;
+
+ protected:
+  friend class base::RefCounted<PepperFlashSettingsHelper>;
+  virtual ~PepperFlashSettingsHelper() {}
+};
+
+}  // namespace content
+
+#endif  // CONTENT_PUBLIC_BROWSER_PEPPER_FLASH_SETTINGS_HELPER_H_