More DomStorage house cleaning

content/browser/in_process_webkit/dom_storage_area.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_BROWSER_IN_PROCESS_WEBKIT_DOM_STORAGE_AREA_H_
-#define CONTENT_BROWSER_IN_PROCESS_WEBKIT_DOM_STORAGE_AREA_H_
-#pragma once
-
-#include "base/hash_tables.h"
-#include "base/memory/ref_counted.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/nullable_string16.h"
-#include "base/string16.h"
-#include "content/common/dom_storage_common.h"
-#include "googleurl/src/gurl.h"
-#include "third_party/WebKit/Source/WebKit/chromium/public/WebStorageArea.h"
-#include "webkit/dom_storage/dom_storage_types.h"
-
-#ifdef ENABLE_NEW_DOM_STORAGE_BACKEND
-// This class is no longer applicable.
-#else
-
-class DOMStorageNamespace;
-// Only use on the WebKit thread.  DOMStorageNamespace manages our registration
-// with DOMStorageContext.
-class DOMStorageArea {
- public:
-  DOMStorageArea(const string16& origin,
-                 int64 id,
-                 DOMStorageNamespace* owner);
-  ~DOMStorageArea();
-
-  unsigned Length();
-  NullableString16 Key(unsigned index);
-  NullableString16 GetItem(const string16& key);
-  NullableString16 SetItem(
-      const string16& key, const string16& value,
-      WebKit::WebStorageArea::Result* result);
-  NullableString16 RemoveItem(const string16& key);
-  bool Clear();
-  void PurgeMemory();
-
-  int64 id() const { return id_; }
-
-  DOMStorageNamespace* owner() const { return owner_; }
-
- private:
-  // Creates the underlying WebStorageArea on demand.
-  void CreateWebStorageAreaIfNecessary();
-
-  // The origin this storage area represents.
-  string16 origin_;
-  GURL origin_url_;
-
-  // The storage area we wrap.
-  scoped_ptr<WebKit::WebStorageArea> storage_area_;
-
-  // Our storage area id.  Unique to our parent DOMStorageContext.
-  int64 id_;
-
-  // The DOMStorageNamespace that owns us.
-  DOMStorageNamespace* owner_;
-
-  DISALLOW_IMPLICIT_CONSTRUCTORS(DOMStorageArea);
-};
-
-#if defined(COMPILER_GCC)
-#if defined(OS_ANDROID)
-// Android stlport uses std namespace
-namespace std {
-#else
-namespace __gnu_cxx {
-#endif
-
-template<>
-struct hash<DOMStorageArea*> {
-  std::size_t operator()(DOMStorageArea* const& p) const {
-    return reinterpret_cast<std::size_t>(p);
-  }
-};
-
-}  // namespace __gnu_cxx
-#endif
-
-#endif  // ENABLE_NEW_DOM_STORAGE_BACKEND
-#endif  // CONTENT_BROWSER_IN_PROCESS_WEBKIT_DOM_STORAGE_AREA_H_
-