Add enumerations for compressed (E)AC3 sample format

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 59 matching lines @@
   enum SampleFormat {
     kUnknownSampleFormat = 0;
     kSampleFormatU8 = 1;
     kSampleFormatS16 = 2;
     kSampleFormatS32 = 3;
     kSampleFormatF32 = 4;
     kSampleFormatPlanarS16 = 5;
     kSampleFormatPlanarF32 = 6;
     kSampleFormatPlanarS32 = 7;
     kSampleFormatS24 = 8;
+    kSampleFormatAc3 = 9;
+    kSampleFormatEac3 = 10;
   };
 
   // Should align with ::media::ChannelLayout
   enum ChannelLayout {
     CHANNEL_LAYOUT_NONE = 0;
     CHANNEL_LAYOUT_UNSUPPORTED = 1;
     CHANNEL_LAYOUT_MONO = 2;
     CHANNEL_LAYOUT_STEREO = 3;
     CHANNEL_LAYOUT_2_1 = 4;
     CHANNEL_LAYOUT_SURROUND = 5;
@@ skipping 480 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;
   };
 }