Make DOMStorageDispatcherHost be a message filter (and rename it accordingly)...

chrome/common/dom_storage_messages.h

+// 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_COMMON_DOM_STORAGE_MESSAGES_H_
+#define CHROME_COMMON_DOM_STORAGE_MESSAGES_H_
+#pragma once
+
+#include "chrome/common/dom_storage_common.h"
+#include "googleurl/src/gurl.h"
+#include "ipc/ipc_message_macros.h"
+#include "ipc/ipc_param_traits.h"
+#include "third_party/WebKit/WebKit/chromium/public/WebStorageArea.h"
+
+#define IPC_MESSAGE_START DOMStorageMsgStart
+
+// Signals a storage event.
+struct DOMStorageMsg_Event_Params {
+  DOMStorageMsg_Event_Params();
+  ~DOMStorageMsg_Event_Params();
+
+  // The key that generated the storage event.  Null if clear() was called.
+  NullableString16 key;
+
+  // The old value of this key.  Null on clear() or if it didn't have a value.
+  NullableString16 old_value;
+
+  // The new value of this key.  Null on removeItem() or clear().
+  NullableString16 new_value;
+
+  // The origin this is associated with.
+  string16 origin;
+
+  // The URL of the page that caused the storage event.
+  GURL url;
+
+  // The storage type of this event.
+  DOMStorageType storage_type;
+};
+
+namespace IPC {
+
+template <>
+struct ParamTraits<DOMStorageMsg_Event_Params> {
+  typedef DOMStorageMsg_Event_Params param_type;
+  static void Write(Message* m, const param_type& p);
+  static bool Read(const Message* m, void** iter, param_type* p);
+  static void Log(const param_type& p, std::string* l);
+};
+
+template <>
+struct ParamTraits<DOMStorageType> {
+  typedef DOMStorageType param_type;
+  static void Write(Message* m, const param_type& p);
+  static bool Read(const Message* m, void** iter, param_type* p);
+  static void Log(const param_type& p, std::string* l);
+};
+
+template <>
+struct ParamTraits<WebKit::WebStorageArea::Result> {
+  typedef WebKit::WebStorageArea::Result param_type;
+  static void Write(Message* m, const param_type& p);
+  static bool Read(const Message* m, void** iter, param_type* p);
+  static void Log(const param_type& p, std::string* l);
+};
+
+}  // namespace IPC
+
+// DOM Storage messages sent from the browser to the renderer.
+
+// Storage events are broadcast to renderer processes.
+IPC_MESSAGE_CONTROL1(DOMStorageMsg_Event,
+                     DOMStorageMsg_Event_Params)
+
+
+// DOM Storage messages sent from the renderer to the browser.
+
+
+// Get the storage area id for a particular origin within a namespace.
+IPC_SYNC_MESSAGE_CONTROL2_1(DOMStorageHostMsg_StorageAreaId,
+                            int64 /* namespace_id */,
+                            string16 /* origin */,
+                            int64 /* storage_area_id */)
+
+// Get the length of a storage area.
+IPC_SYNC_MESSAGE_CONTROL1_1(DOMStorageHostMsg_Length,
+                            int64 /* storage_area_id */,
+                            unsigned /* length */)
+
+// Get a the ith key within a storage area.
+IPC_SYNC_MESSAGE_CONTROL2_1(DOMStorageHostMsg_Key,
+                            int64 /* storage_area_id */,
+                            unsigned /* index */,
+                            NullableString16 /* key */)
+
+// Get a value based on a key from a storage area.
+IPC_SYNC_MESSAGE_CONTROL2_1(DOMStorageHostMsg_GetItem,
+                            int64 /* storage_area_id */,
+                            string16 /* key */,
+                            NullableString16 /* value */)
+
+// Set a value that's associated with a key in a storage area.
+IPC_SYNC_MESSAGE_ROUTED4_2(DOMStorageHostMsg_SetItem,
+                           int64 /* storage_area_id */,
+                           string16 /* key */,
+                           string16 /* value */,
+                           GURL /* url */,
+                           WebKit::WebStorageArea::Result /* result */,
+                           NullableString16 /* old_value */)
+
+// Remove the value associated with a key in a storage area.
+IPC_SYNC_MESSAGE_CONTROL3_1(DOMStorageHostMsg_RemoveItem,
+                            int64 /* storage_area_id */,
+                            string16 /* key */,
+                            GURL /* url */,
+                            NullableString16 /* old_value */)
+
+// Clear the storage area.
+IPC_SYNC_MESSAGE_CONTROL2_1(DOMStorageHostMsg_Clear,
+                            int64 /* storage_area_id */,
+                            GURL /* url */,
+                            bool /* something_cleared */)
+
+#endif  // CHROME_COMMON_DOM_STORAGE_MESSAGES_H_