Switch a bunch of remaining filters to derive from BrowserMessageFilters so t...

chrome/browser/mime_registry_dispatcher.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_MIME_REGISTRY_DISPATCHER_H_
-#define CHROME_BROWSER_MIME_REGISTRY_DISPATCHER_H_
-
-#include "base/file_path.h"
-#include "base/ref_counted.h"
-#include "ipc/ipc_message.h"
-
-class MimeRegistryDispatcher
-    : public base::RefCountedThreadSafe<MimeRegistryDispatcher> {
- public:
-  explicit MimeRegistryDispatcher(IPC::Message::Sender* sender);
-  void Shutdown();
-  bool OnMessageReceived(const IPC::Message& message);
-  void Send(IPC::Message* message);
-
- private:
-  friend class base::RefCountedThreadSafe<MimeRegistryDispatcher>;
-  ~MimeRegistryDispatcher();
-
-  void OnGetMimeTypeFromExtension(const FilePath::StringType& ext,
-                                  IPC::Message* reply);
-  void OnGetMimeTypeFromFile(const FilePath& file_path,
-                             IPC::Message* reply);
-  void OnGetPreferredExtensionForMimeType(const std::string& mime_type,
-                                          IPC::Message* reply);
-
-  // The sender to be used for sending out IPC messages.
-  IPC::Message::Sender* message_sender_;
-
-  DISALLOW_IMPLICIT_CONSTRUCTORS(MimeRegistryDispatcher);
-};
-
-#endif  // CHROME_BROWSER_MIME_REGISTRY_DISPATCHER_H_