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

ppapi/c/trusted/ppb_audio_input_trusted_dev.h

Index: ppapi/c/trusted/ppb_audio_input_trusted_dev.h
diff --git a/ppapi/c/trusted/ppb_audio_input_trusted_dev.h b/ppapi/c/trusted/ppb_audio_input_trusted_dev.h
index 24cc282b27994bbd82f7ef5d3ed50a24b6b1515c..930457cbebc9e42210ebbd95ee1cfabe8fb127cb 100644
--- a/ppapi/c/trusted/ppb_audio_input_trusted_dev.h
+++ b/ppapi/c/trusted/ppb_audio_input_trusted_dev.h
@@ -3,7 +3,7 @@
  * found in the LICENSE file.
  */
 
-/* From trusted/ppb_audio_input_trusted_dev.idl modified Mon Nov 21 12:37:35 2011. */
+/* From trusted/ppb_audio_input_trusted_dev.idl modified Mon Nov 21 16:51:03 2011. */
 
 #ifndef PPAPI_C_TRUSTED_PPB_AUDIO_INPUT_TRUSTED_DEV_H_
 #define PPAPI_C_TRUSTED_PPB_AUDIO_INPUT_TRUSTED_DEV_H_
@@ -35,7 +35,7 @@
  * resource; most of the PPB_AudioInput interface is also usable on this
  * resource.
  */
-struct PPB_AudioInputTrusted_Dev {
+struct PPB_AudioInputTrusted_Dev_0_1 {
   /** Returns an audio input resource. */
   PP_Resource (*CreateTrusted)(PP_Instance instance);
   /**
@@ -60,6 +60,8 @@ struct PPB_AudioInputTrusted_Dev {
                              int* shm_handle,
                              uint32_t* shm_size);
 };
+
+typedef struct PPB_AudioInputTrusted_Dev_0_1 PPB_AudioInputTrusted_Dev;
 /**
  * @}
  */