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diff --git a/content/browser/plugin_data_remover_impl.h b/content/browser/plugin_data_remover_impl.h
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+++ b/content/browser/plugin_data_remover_impl.h
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+// 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 CONTENT_BROWSER_PLUGIN_DATA_REMOVER_IMPL_H_
+#define CONTENT_BROWSER_PLUGIN_DATA_REMOVER_IMPL_H_
+#pragma once
+
+#include <string>
+
+#include "base/memory/weak_ptr.h"
+#include "content/browser/plugin_process_host.h"
+#include "content/public/browser/plugin_data_remover.h"
+
+class PluginDataRemoverImpl : public content::PluginDataRemover,
+                              public PluginProcessHost::Client,
+                              public IPC::Channel::Listener {
+ public:
+  explicit PluginDataRemoverImpl(
+      const content::ResourceContext& resource_context);
+  virtual ~PluginDataRemoverImpl();
+
+  // content::PluginDataRemover implementation:
+  virtual base::WaitableEvent* StartRemoving(base::Time begin_time) OVERRIDE;
+
+  // The plug-in whose data should be removed (usually Flash) is specified via
+  // its MIME type. This method sets a different MIME type in order to call a
+  // different plug-in (for example in tests).
+  void set_mime_type(const std::string& mime_type) { mime_type_ = mime_type; }
+
+  // PluginProcessHost::Client methods.
+  virtual int ID() OVERRIDE;
+  virtual bool OffTheRecord() OVERRIDE;
+  virtual const content::ResourceContext& GetResourceContext() OVERRIDE;
+  virtual void SetPluginInfo(const webkit::WebPluginInfo& info) OVERRIDE;
+  virtual void OnFoundPluginProcessHost(PluginProcessHost* host) OVERRIDE;
+  virtual void OnSentPluginChannelRequest() OVERRIDE;
+  virtual void OnChannelOpened(const IPC::ChannelHandle& handle) OVERRIDE;
+  virtual void OnError() OVERRIDE;
+
+  // IPC::Channel::Listener methods.
+  virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
+  virtual void OnChannelError() OVERRIDE;
+
+ private:
+  // Signals that we are finished with removing data (successful or not). This
+  // method is safe to call multiple times.
+  void SignalDone();
+  // Connects the client side of a newly opened plug-in channel.
+  void ConnectToChannel(const IPC::ChannelHandle& handle);
+  // Handles the PluginHostMsg_ClearSiteDataResult message.
+  void OnClearSiteDataResult(bool success);
+  // Called when a timeout happens in order not to block the client
+  // indefinitely.
+  void OnTimeout();
+
+  std::string mime_type_;
+  bool is_starting_process_;
+  bool is_removing_;
+  // The point in time when we start removing data.
+  base::Time remove_start_time_;
+  // The point in time from which on we remove data.
+  base::Time begin_time_;
+  // The resource context for the profile.
+  const content::ResourceContext& context_;
+  scoped_ptr<base::WaitableEvent> event_;
+  // We own the channel, but it's used on the IO thread, so it needs to be
+  // deleted there. It's NULL until we have opened a connection to the plug-in
+  // process.
+  IPC::Channel* channel_;
+
+  base::WeakPtrFactory<PluginDataRemoverImpl> weak_factory_;
+
+  DISALLOW_COPY_AND_ASSIGN(PluginDataRemoverImpl);
+};
+
+#endif  // CONTENT_BROWSER_PLUGIN_DATA_REMOVER_IMPL_H_