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

ppapi/c/dev/ppb_font_dev.h

Index: ppapi/c/dev/ppb_font_dev.h
diff --git a/ppapi/c/dev/ppb_font_dev.h b/ppapi/c/dev/ppb_font_dev.h
index da5b4c4a748c5ac1d5b8cd00035f9c33bd0632a9..2b3d253f0097811cfe05917c646fe3cba871e31e 100644
--- a/ppapi/c/dev/ppb_font_dev.h
+++ b/ppapi/c/dev/ppb_font_dev.h
@@ -3,7 +3,7 @@
  * found in the LICENSE file.
  */
 
-/* From dev/ppb_font_dev.idl modified Wed Oct  5 19:40:26 2011. */
+/* From dev/ppb_font_dev.idl modified Tue Oct 11 10:01:39 2011. */
 
 #ifndef PPAPI_C_DEV_PPB_FONT_DEV_H_
 #define PPAPI_C_DEV_PPB_FONT_DEV_H_
@@ -158,7 +158,7 @@ PP_COMPILE_ASSERT_STRUCT_SIZE_IN_BYTES(PP_TextRun_Dev, 24);
  * @addtogroup Interfaces
  * @{
  */
-struct PPB_Font_Dev {
+struct PPB_Font_Dev_0_6 {
   /**
    * Returns a list of all available font families on the system. You can use
    * this list to decide whether to Create() a font.
@@ -252,6 +252,8 @@ struct PPB_Font_Dev {
                                      const struct PP_TextRun_Dev* text,
                                      uint32_t char_offset);
 };
+
+typedef struct PPB_Font_Dev_0_6 PPB_Font_Dev;
 /**
  * @}
  */