Get PPB_Audio interface building as untrusted code.

ppapi/proxy/resource_creation_proxy.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.
 
 #ifndef PPAPI_PROXY_RESOURCE_CREATION_PROXY_H_
 #define PPAPI_PROXY_RESOURCE_CREATION_PROXY_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 54 matching lines @@
       PP_Instance instance,
       const PPB_URLRequestInfo_Data& data) OVERRIDE;
   virtual PP_Resource CreateWheelInputEvent(
       PP_Instance instance,
       PP_TimeTicks time_stamp,
       uint32_t modifiers,
       const PP_FloatPoint* wheel_delta,
       const PP_FloatPoint* wheel_ticks,
       PP_Bool scroll_by_page) OVERRIDE;
 
-#if !defined(OS_NACL)
   virtual PP_Resource CreateAudio(PP_Instance instance,
                                   PP_Resource config_id,
                                   PPB_Audio_Callback audio_callback,
                                   void* user_data) OVERRIDE;
   virtual PP_Resource CreateAudioConfig(PP_Instance instance,
                                         PP_AudioSampleRate sample_rate,
                                         uint32_t sample_frame_count) OVERRIDE;
+#if !defined(OS_NACL)
   virtual PP_Resource CreateAudioTrusted(PP_Instance instance) OVERRIDE;
   virtual PP_Resource CreateAudioInput0_1(
       PP_Instance instance,
       PP_Resource config_id,
       PPB_AudioInput_Callback audio_input_callback,
       void* user_data) OVERRIDE;
   virtual PP_Resource CreateAudioInput(PP_Instance instance) OVERRIDE;
   virtual PP_Resource CreateBroker(PP_Instance instance) OVERRIDE;
   virtual PP_Resource CreateBrowserFont(
       PP_Instance instance,
@@ skipping 52 matching lines @@
   virtual bool OnMessageReceived(const IPC::Message& msg) OVERRIDE;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(ResourceCreationProxy);
 };
 
 }  // namespace proxy
 }  // namespace ppapi
 
 #endif  // PPAPI_PROXY_RESOURCE_CREATION_PROXY_H_