Client-based geolocation support.

chrome/browser/geolocation/geolocation_dispatcher_host.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_BROWSER_GEOLOCATION_GEOLOCATION_DISPATCHER_HOST_H_
+#define CHROME_BROWSER_GEOLOCATION_GEOLOCATION_DISPATCHER_HOST_H_
+#pragma once
+
+#include "chrome/browser/browser_message_filter.h"
+
+class GeolocationPermissionContext;
+
+// GeolocationDispatcherHost is a browser filter for Geolocation messages.
+// It's the complement of GeolocationDispatcher (owned by RenderView).
+
+class GeolocationDispatcherHost : public BrowserMessageFilter {
+ public:
+  static GeolocationDispatcherHost* New(
+      int render_process_id,
+      GeolocationPermissionContext* geolocation_permission_context);
+
+  virtual bool OnMessageReceived(const IPC::Message& msg, bool* msg_was_ok) = 0;
+
+ protected:
+  GeolocationDispatcherHost() {}
+  virtual ~GeolocationDispatcherHost() {}
+
+  DISALLOW_COPY_AND_ASSIGN(GeolocationDispatcherHost);
+};
+
+#endif  // CHROME_BROWSER_GEOLOCATION_GEOLOCATION_DISPATCHER_HOST_H_