[PPAPI] It is now possible to pass filesystems from JavaScript to NaCl modules.

ppapi/proxy/ppapi_messages.h

 // Copyright (c) 2012 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.
 
 // Multiply-included message header, no traditional include guard.
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/files/file_path.h"
@@ skipping 1276 matching lines @@
 
 // FileSystem
 IPC_MESSAGE_CONTROL1(PpapiHostMsg_FileSystem_Create,
                      PP_FileSystemType /* type */)
 IPC_MESSAGE_CONTROL1(PpapiHostMsg_FileSystem_Open,
                      int64_t /* expected_size */)
 IPC_MESSAGE_CONTROL0(PpapiPluginMsg_FileSystem_OpenReply)
 IPC_MESSAGE_CONTROL1(PpapiHostMsg_FileSystem_InitIsolatedFileSystem,
                      std::string /* fsid */)
 IPC_MESSAGE_CONTROL0(PpapiPluginMsg_FileSystem_InitIsolatedFileSystemReply)
+IPC_MESSAGE_CONTROL2(PpapiHostMsg_FileSystem_CreateFromRenderer,
+                     std::string /* root_url */,
+                     PP_FileSystemType /* file_system_type */)
+// Nested within a ResourceVar for file systems being passed from the renderer
+// to the plugin.
+IPC_MESSAGE_CONTROL1(PpapiPluginMsg_FileSystem_CreateFromPendingHost,
+                     PP_FileSystemType /* file_system_type */)

[raymes, 2013/10/11 04:02:24]

Could you fully document both of these? In particular state what action they
will trigger when they are received, which channel they are passed over and what
the parameters are for. 

[Matt Giuca, 2013/10/17 09:17:58]

Done.

 
 // Flash DRM ------------------------------------------------------------------
 IPC_MESSAGE_CONTROL0(PpapiHostMsg_FlashDRM_Create)
 
 // Requests the device ID.
 IPC_MESSAGE_CONTROL0(PpapiHostMsg_FlashDRM_GetDeviceID)
 // Reply for GetDeviceID which includes the device ID as a string.
 IPC_MESSAGE_CONTROL1(PpapiPluginMsg_FlashDRM_GetDeviceIDReply,
                      std::string /* id */)
 
@@ skipping 656 matching lines @@
 IPC_MESSAGE_CONTROL1(PpapiHostMsg_Talk_RequestPermission,
                      PP_TalkPermission /* permission */)
 IPC_MESSAGE_CONTROL0(PpapiPluginMsg_Talk_RequestPermissionReply)
 IPC_MESSAGE_CONTROL0(PpapiHostMsg_Talk_StartRemoting)
 IPC_MESSAGE_CONTROL0(PpapiPluginMsg_Talk_StartRemotingReply)
 IPC_MESSAGE_CONTROL0(PpapiHostMsg_Talk_StopRemoting)
 IPC_MESSAGE_CONTROL0(PpapiPluginMsg_Talk_StopRemotingReply)
 IPC_MESSAGE_CONTROL1(PpapiPluginMsg_Talk_NotifyEvent, PP_TalkEvent /* event */)
 
 #endif  // !defined(OS_NACL) && !defined(NACL_WIN64)