Convert the async device ID getter to a chrome resource host

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/file_path.h"
@@ skipping 1531 matching lines @@
 // File chooser.
 IPC_MESSAGE_CONTROL0(PpapiHostMsg_FileChooser_Create)
 IPC_MESSAGE_CONTROL4(PpapiHostMsg_FileChooser_Show,
                      bool /* save_as */,
                      bool /* open_multiple */,
                      std::string /* suggested_file_name */,
                      std::vector<std::string> /* accept_mime_types */)
 IPC_MESSAGE_CONTROL1(PpapiPluginMsg_FileChooser_ShowReply,
                      std::vector<ppapi::PPB_FileRef_CreateInfo> /* files */)
 
+// Flash device ID.
+IPC_MESSAGE_CONTROL0(PpapiHostMsg_FlashDeviceID_Create)
+IPC_MESSAGE_CONTROL0(PpapiHostMsg_FlashDeviceID_GetDeviceID)
+IPC_MESSAGE_CONTROL1(PpapiPluginMsg_FlashDeviceID_GetDeviceIDReply,
+                     std::string /* id */)
+
 // Gamepad.
 IPC_MESSAGE_CONTROL0(PpapiHostMsg_Gamepad_Create)
 
 // Requests that the gamepad host send the shared memory handle to the plugin
 // process.
 IPC_MESSAGE_CONTROL0(PpapiHostMsg_Gamepad_RequestMemory)
 
 // Reply to a RequestMemory call. This supplies the shared memory handle. The
 // actual handle is passed in the ReplyParams struct.
 IPC_MESSAGE_CONTROL0(PpapiPluginMsg_Gamepad_SendMemory)
 
 // Printing.
 IPC_MESSAGE_CONTROL0(PpapiHostMsg_Printing_Create)
 IPC_MESSAGE_CONTROL0(PpapiHostMsg_Printing_GetDefaultPrintSettings)
 IPC_MESSAGE_CONTROL1(PpapiPluginMsg_Printing_GetDefaultPrintSettingsReply,
                      PP_PrintSettings_Dev /* print_settings */)