Update PPAPI IDL generator to define versioned structs, and unversioned typedef.

ppapi/c/ppb_audio_config.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.
  */
 
-/* From ppb_audio_config.idl modified Mon Aug 29 10:11:34 2011. */
+/* From ppb_audio_config.idl modified Wed Oct  5 14:06:02 2011. */
 
 #ifndef PPAPI_C_PPB_AUDIO_CONFIG_H_
 #define PPAPI_C_PPB_AUDIO_CONFIG_H_
 
 #include "ppapi/c/pp_bool.h"
 #include "ppapi/c/pp_instance.h"
 #include "ppapi/c/pp_macros.h"
 #include "ppapi/c/pp_resource.h"
 #include "ppapi/c/pp_stdint.h"
 
@@ skipping 44 matching lines @@
  */
 /**
  * The <code>PPB_AudioConfig</code> interface contains pointers to several
  * functions for establishing your audio configuration within the browser.
  * This interface only supports stereo * 16bit output.
  *
  * Refer to the
  * <a href="/chrome/nativeclient/docs/audio.html">Pepper
  * Audio API</a> for information on using this interface.
  */
-struct PPB_AudioConfig {
+struct PPB_AudioConfig_1_0 {
   /**
    * CreateStereo16bit() creates a 16 bit audio configuration resource. The
    * <code>sample_frame_count</code> should be the result of calling
    * <code>RecommendSampleFrameCount</code>. If the sample frame count or bit
    * rate isn't supported, this function will fail and return a null resource.
    *
    * A single sample frame on a stereo device means one value for the left
    * channel and one value for the right channel.
    *
    * Buffer layout for a stereo int16 configuration:
@@ skipping 79 matching lines @@
    *
    * @param[in] config A <code>PP_Resource</code> corresponding to an audio
    * config resource.
    *
    * @return A <code>uint32_t</code> containing sample frame count or
    * 0 if the resource is invalid. Refer to
    * RecommendSampleFrameCount() for more on sample frame counts.
    */
   uint32_t (*GetSampleFrameCount)(PP_Resource config);
 };
+
+typedef struct PPB_AudioConfig_1_0 PPB_AudioConfig;
 /**
  * @}
  */
 
 #endif  /* PPAPI_C_PPB_AUDIO_CONFIG_H_ */