Adding CRC and multi-client support in the Whispernet NaCl wrapper

chrome/browser/extensions/api/audio_modem/audio_modem_api.cc

 // Copyright 2015 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.
 
 #include <map>
 #include <string>
 #include <vector>
 
 #include "base/base64.h"
 #include "base/bind.h"
@@ skipping 126 matching lines @@
     transmitters_[audio_type] = app_id;
   else if (transmitters_[audio_type] != app_id)
     return STATUS_INUSE;
 
   DVLOG(3) << "Starting transmit for app " << app_id;
 
   std::string encoded_token;
   base::Base64Encode(token, &encoded_token);
   base::RemoveChars(encoded_token, "=", &encoded_token);
 
+  modem_->SetTokenParams(audio_type, TokenParamsForEncoding(params.encoding));
   modem_->SetToken(audio_type, encoded_token);
-  modem_->SetTokenParams(audio_type, TokenParamsForEncoding(params.encoding));
   modem_->StartPlaying(audio_type);
 
   transmit_timers_[audio_type].Start(
       FROM_HERE,
       base::TimeDelta::FromMilliseconds(params.timeout_millis),
       base::Bind(base::IgnoreResult(&AudioModemAPI::StopTransmit),
                  base::Unretained(this),
                  app_id,
                  audio_type));
   return STATUS_SUCCESS;
@@ skipping 180 matching lines @@
 ExtensionFunction::ResponseAction AudioModemStopReceiveFunction::Run() {
   scoped_ptr<StopReceive::Params> params(StopReceive::Params::Create(*args_));
   EXTENSION_FUNCTION_VALIDATE(params.get());
 
   Status status = AudioModemAPI::GetFactoryInstance()->Get(browser_context())
       ->StopReceive(extension_id(), AudioTypeForBand(params->band));
   return RespondNow(ArgumentList(StopReceive::Results::Create(status)));
 }
 
 }  // namespace extensions