Add PIXEL_FORMAT_I422.

media/remoting/proto/remoting_rpc_message.proto

 // Copyright 2016 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.
 //
 // Protocol buffer for Media Remoting.
 
 syntax = "proto2";
 
 option optimize_for = LITE_RUNTIME;
 
@@ skipping 183 matching lines @@
     PIXEL_FORMAT_YUV420P10 = 17;
     PIXEL_FORMAT_YUV422P9 = 18;
     PIXEL_FORMAT_YUV422P10 = 19;
     PIXEL_FORMAT_YUV444P9 = 20;
     PIXEL_FORMAT_YUV444P10 = 21;
     PIXEL_FORMAT_YUV420P12 = 22;
     PIXEL_FORMAT_YUV422P12 = 23;
     PIXEL_FORMAT_YUV444P12 = 24;
     PIXEL_FORMAT_Y8 = 25;
     PIXEL_FORMAT_Y16 = 26;
+    PIXEL_FORMAT_I422 = 27;
   };
 
   // Should align with ::media::ColorSpace
   enum ColorSpace {
     COLOR_SPACE_UNSPECIFIED = 0;
     COLOR_SPACE_JPEG = 1;
     COLOR_SPACE_HD_REC709 = 2;
     COLOR_SPACE_SD_REC601 = 3;
   };
 
@@ skipping 358 matching lines @@
 
     // RPC_CDMC_ONSESSIONMESSAGE
     CdmClientOnSessionMessage cdmclient_onsessionmessage_rpc = 601;
     // RPC_CDMC_ONSESSIONKEYSCHANGE
     CdmClientOnSessionKeysChange cdmclient_onsessionkeychange_rpc = 602;
     // RPC_CDMC_ONSESSIONEXPIRATIONUPDATE
     CdmClientOnSessionExpirationUpdate cdmclient_onsessionexpirationupdate_rpc =
         603;
   };
 }