Add an interface for Flash to clear its data.

content/browser/plugin_data_remover_impl.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 CONTENT_BROWSER_PLUGIN_DATA_REMOVER_IMPL_H_
 #define CONTENT_BROWSER_PLUGIN_DATA_REMOVER_IMPL_H_
 #pragma once
 
 #include <string>
 
 #include "base/compiler_specific.h"
 #include "base/memory/ref_counted.h"
+#include "base/memory/scoped_ptr.h"

[Bernhard Bauer, 2012/04/05 10:01:38]

Nit: Is this necessary?

 #include "content/public/browser/plugin_data_remover.h"
 
 class CONTENT_EXPORT PluginDataRemoverImpl : public content::PluginDataRemover {
  public:
   explicit PluginDataRemoverImpl(content::ResourceContext* resource_context);
   virtual ~PluginDataRemoverImpl();
 
   // content::PluginDataRemover implementation:
   virtual base::WaitableEvent* StartRemoving(base::Time begin_time) OVERRIDE;
 
@@ skipping 10 matching lines @@
   content::ResourceContext* resource_context_;
 
   // This allows this object to be deleted on the UI thread while it's still
   // being used on the IO thread.
   scoped_refptr<Context> context_;
 
   DISALLOW_COPY_AND_ASSIGN(PluginDataRemoverImpl);
 };
 
 #endif  // CONTENT_BROWSER_PLUGIN_DATA_REMOVER_IMPL_H_