Move MediaDeviceIDSalt from ProfileIOData to ProfileImpl.

chrome/browser/extensions/api/webrtc_audio_private/webrtc_audio_private_api.cc

 // Copyright 2013 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 "chrome/browser/extensions/api/webrtc_audio_private/webrtc_audio_private_api.h"
 
 #include <memory>
 #include <utility>
 #include <vector>
 
@@ skipping 194 matching lines @@
   // empty string as the current device ID.
   if (media::AudioDeviceDescription::IsDefaultDevice(raw_id))
     return media::AudioDeviceDescription::kDefaultDeviceId;
 
   url::Origin security_origin(source_url().GetOrigin());
   return content::GetHMACForMediaDeviceID(device_id_salt(), security_origin,
                                           raw_id);
 }
 
 void WebrtcAudioPrivateFunction::InitDeviceIDSalt() {
-  device_id_salt_ = GetProfile()->GetResourceContext()->GetMediaDeviceIDSalt();
+  device_id_salt_ = GetProfile()->GetMediaDeviceIDSalt();
 }
 
 std::string WebrtcAudioPrivateFunction::device_id_salt() const {
   return device_id_salt_;
 }
 
 // TODO(hlundin): Stolen from WebrtcLoggingPrivateFunction.
 // Consolidate and improve. http://crbug.com/710371
 content::RenderProcessHost*
 WebrtcAudioPrivateFunction::GetRenderProcessHostFromRequest(
@@ skipping 338 matching lines @@
     }
 
     host->SetEchoCanceller3(*params->audio_experiments.enable_aec3);
   }
 
   SendResponse(true);
   return true;
 }
 
 }  // namespace extensions