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// Copyright (c) 2010 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_IN_PROCESS_WEBKIT_SESSION_STORAGE_NAMESPACE_H_
#define CHROME_BROWSER_IN_PROCESS_WEBKIT_SESSION_STORAGE_NAMESPACE_H_
#pragma once
#include "base/basictypes.h"
#include "base/ref_counted.h"
class Profile;
class WebKitContext;
// This is a ref-counted class that represents a SessionStorageNamespace.
// On destruction it ensures that the storage namespace is destroyed.
// NOTE: That if we're shutting down, we don't strictly need to do this, but
// it keeps valgrind happy.
class SessionStorageNamespace
: public base::RefCountedThreadSafe<SessionStorageNamespace> {
public:
explicit SessionStorageNamespace(Profile* profile);
int64 id() const { return id_; }
// The session storage namespace parameter allows multiple render views and
// tab contentses to share the same session storage (part of the WebStorage
// spec) space. Passing in NULL simply allocates a new one which is often the
// correct thing to do (especially in tests.
SessionStorageNamespace* Clone();
private:
SessionStorageNamespace(WebKitContext* webkit_context, int64 id);
friend class base::RefCountedThreadSafe<SessionStorageNamespace>;
~SessionStorageNamespace();
scoped_refptr<WebKitContext> webkit_context_;
// The session storage namespace id.
int64 id_;
DISALLOW_IMPLICIT_CONSTRUCTORS(SessionStorageNamespace);
};
#endif // CHROME_BROWSER_IN_PROCESS_WEBKIT_SESSION_STORAGE_NAMESPACE_H_
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