melt the non-dev audio interface to 0.5

ppapi/c/trusted/ppb_audio_trusted.h

 /* Copyright (c) 2011 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_C_PPB_AUDIO_TRUSTED_H_
 #define PPAPI_C_PPB_AUDIO_TRUSTED_H_
 
 #include "ppapi/c/pp_completion_callback.h"
 #include "ppapi/c/pp_instance.h"
 #include "ppapi/c/pp_resource.h"
 
-#define PPB_AUDIO_TRUSTED_INTERFACE "PPB_AudioTrusted;1.0"
+#define PPB_AUDIO_TRUSTED_INTERFACE "PPB_AudioTrusted;0.5"
 
 /**
  * This interface is to be used by proxy implementations.  All
  * functions should be called from the main thread only.  The
  * resource returned is an Audio resource; most of the PPB_Audio
  * interface is also usable on this resource.
  */
 struct PPB_AudioTrusted {
   /** Returns an audio resource. */
   PP_Resource (*CreateTrusted)(PP_Instance instance);
@@ skipping 18 matching lines @@
    * Get the shared memory interface.  Use once Open has completed.
    * Returns PP_OK on success.
    */
   int32_t (*GetSharedMemory)(PP_Resource audio,
                              int* shm_handle,
                              uint32_t* shm_size);
 };
 
 #endif  /* PPAPI_C_PPB_AUDIO_TRUSTED_H_ */