Adding a TouchFile() operation.

chrome/common/render_messages_internal.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.
 
 // This header is meant to be included in multiple passes, hence no traditional
 // header guard.
 // See ipc_message_macros.h for explanation of the macros and passes.
 
 #include <map>
 #include <string>
@@ skipping 2825 matching lines @@
   IPC_MESSAGE_CONTROL3(ViewHostMsg_FileSystem_Exists,
                        int /* request_id */,
                        FilePath /* path */,
                        bool /* is_directory */)
 
   // WebFileSystem::readDirectory() message.
   IPC_MESSAGE_CONTROL2(ViewHostMsg_FileSystem_ReadDirectory,
                        int /* request_id */,
                        FilePath /* path */)
 
+  // Pepper's Touch() message.
+  IPC_MESSAGE_CONTROL4(ViewHostMsg_FileSystem_TouchFile,
+                       int /* request_id */,
+                       FilePath /* path */,
+                       base::Time /* last_access_time */,
+                       base::Time /* last_modified_time */)
+
   //---------------------------------------------------------------------------
   // Blob messages:
 
   // Registers a blob URL referring to the specified blob data.
   IPC_MESSAGE_CONTROL2(ViewHostMsg_RegisterBlobUrl,
                        GURL /* url */,
                        scoped_refptr<webkit_blob::BlobData> /* blob_data */)
 
   // Registers a blob URL referring to the blob data identified by the specified
   // source URL.
   IPC_MESSAGE_CONTROL2(ViewHostMsg_RegisterBlobUrlFrom,
                        GURL /* url */,
                        GURL /* src_url */)
 
   // Unregister a blob URL.
   IPC_MESSAGE_CONTROL1(ViewHostMsg_UnregisterBlobUrl, GURL /* url */)
 
   // Suggest results -----------------------------------------------------------
 
   IPC_MESSAGE_ROUTED2(ViewHostMsg_SetSuggestResult,
                       int32 /* page_id */,
                       std::string /* suggest */)
 
 IPC_END_MESSAGES(ViewHost)