Move webkit/{browser,common}/dom_storage into content/

webkit/browser/dom_storage/dom_storage_session.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 WEBKIT_BROWSER_DOM_STORAGE_DOM_STORAGE_SESSION_H_
-#define WEBKIT_BROWSER_DOM_STORAGE_DOM_STORAGE_SESSION_H_
-
-#include <string>
-
-#include "base/basictypes.h"
-#include "base/memory/ref_counted.h"
-#include "webkit/browser/webkit_storage_browser_export.h"
-
-namespace dom_storage {
-
-class DomStorageContext;
-
-// This refcounted class determines the lifetime of a session
-// storage namespace and provides an interface to Clone() an
-// existing session storage namespace. It may be used on any thread.
-// See class comments for DomStorageContext for a larger overview.
-class WEBKIT_STORAGE_BROWSER_EXPORT DomStorageSession
-    : public base::RefCountedThreadSafe<DomStorageSession> {
- public:
-  // Constructs a |DomStorageSession| and allocates new IDs for it.
-  explicit DomStorageSession(DomStorageContext* context);
-
-  // Constructs a |DomStorageSession| and assigns |persistent_namespace_id|
-  // to it. Allocates a new non-persistent ID.
-  DomStorageSession(DomStorageContext* context,
-                    const std::string& persistent_namespace_id);
-
-  int64 namespace_id() const { return namespace_id_; }
-  const std::string& persistent_namespace_id() const {
-    return persistent_namespace_id_;
-  }
-  void SetShouldPersist(bool should_persist);
-  bool should_persist() const;
-  bool IsFromContext(DomStorageContext* context);
-  DomStorageSession* Clone();
-
-  // Constructs a |DomStorageSession| by cloning
-  // |namespace_id_to_clone|. Allocates new IDs for it.
-  static DomStorageSession* CloneFrom(DomStorageContext* context,
-                                      int64 namepace_id_to_clone);
-
- private:
-  friend class base::RefCountedThreadSafe<DomStorageSession>;
-
-  DomStorageSession(DomStorageContext* context,
-                    int64 namespace_id,
-                    const std::string& persistent_namespace_id);
-  ~DomStorageSession();
-
-  scoped_refptr<DomStorageContext> context_;
-  int64 namespace_id_;
-  std::string persistent_namespace_id_;
-  bool should_persist_;
-
-  DISALLOW_IMPLICIT_CONSTRUCTORS(DomStorageSession);
-};
-
-}  // namespace dom_storage
-
-#endif  // WEBKIT_BROWSER_DOM_STORAGE_DOM_STORAGE_SESSION_H_