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

chrome/common/mime_registry_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_MIME_REGISTRY_MESSAGES_H_
+#define CHROME_COMMON_MIME_REGISTRY_MESSAGES_H_
+#pragma once
+
+#include "base/file_path.h"
+#include "ipc/ipc_message_macros.h"
+#include "ipc/ipc_param_traits.h"
+
+#define IPC_MESSAGE_START MimeRegistryMsgStart
+
+// Mime registry messages sent from the renderer to the browser.
+
+// Sent to query MIME information.
+IPC_SYNC_MESSAGE_CONTROL1_1(MimeRegistryMsg_GetMimeTypeFromExtension,
+                            FilePath::StringType /* extension */,
+                            std::string /* mime_type */)
+IPC_SYNC_MESSAGE_CONTROL1_1(MimeRegistryMsg_GetMimeTypeFromFile,
+                            FilePath /* file_path */,
+                            std::string /* mime_type */)
+IPC_SYNC_MESSAGE_CONTROL1_1(MimeRegistryMsg_GetPreferredExtensionForMimeType,
+                            std::string /* mime_type */,
+                            FilePath::StringType /* extension */)
+
+#endif  // CHROME_COMMON_MIME_REGISTRY_MESSAGES_H_