Chrome side to allow WebKit layer to use WebPermissionClient to check if access to local storage ...

content/browser/in_process_webkit/dom_storage_area.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_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"
 
 class DOMStorageNamespace;
-class HostContentSettingsMap;
-
 // Only use on the WebKit thread.  DOMStorageNamespace manages our registration
 // with DOMStorageContext.
 class DOMStorageArea {
  public:
   DOMStorageArea(const string16& origin,
                  int64 id,
-                 DOMStorageNamespace* owner,
-                 HostContentSettingsMap* host_content_settings_map);
+                 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();
 
-  // Used to see if setItem has permission to do its thing.
-  bool CheckContentSetting(const string16& key, const string16& value);
-
   // 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 WebKitContext.
   int64 id_;
 
   // The DOMStorageNamespace that owns us.
   DOMStorageNamespace* owner_;
 
-  scoped_refptr<HostContentSettingsMap> host_content_settings_map_;
-
   DISALLOW_IMPLICIT_CONSTRUCTORS(DOMStorageArea);
 };
 
 #if defined(COMPILER_GCC)
 namespace __gnu_cxx {
 
 template<>
 struct hash<DOMStorageArea*> {
   std::size_t operator()(DOMStorageArea* const& p) const {
     return reinterpret_cast<std::size_t>(p);
   }
 };
 
 }  // namespace __gnu_cxx
 #endif
 
 #endif  // CONTENT_BROWSER_IN_PROCESS_WEBKIT_DOM_STORAGE_AREA_H_