Replace the use of an int32* with a proper struct for decoder configuration.

ppapi/c/dev/ppb_video_decoder_dev.h

Index: ppapi/c/dev/ppb_video_decoder_dev.h
diff --git a/ppapi/c/dev/ppb_video_decoder_dev.h b/ppapi/c/dev/ppb_video_decoder_dev.h
index 5a3417e2e176a374770e4e80d677a20098092532..a6005502595e077b85a9052b5c85d640e4920a0d 100644
--- a/ppapi/c/dev/ppb_video_decoder_dev.h
+++ b/ppapi/c/dev/ppb_video_decoder_dev.h
@@ -9,8 +9,8 @@
 #include "ppapi/c/pp_completion_callback.h"
 #include "ppapi/c/pp_var.h"
 
-#define PPB_VIDEODECODER_DEV_INTERFACE_0_15 "PPB_VideoDecoder(Dev);0.15"
-#define PPB_VIDEODECODER_DEV_INTERFACE PPB_VIDEODECODER_DEV_INTERFACE_0_15
+#define PPB_VIDEODECODER_DEV_INTERFACE_0_16 "PPB_VideoDecoder(Dev);0.16"
+#define PPB_VIDEODECODER_DEV_INTERFACE PPB_VIDEODECODER_DEV_INTERFACE_0_16
 
 // Video decoder interface.
 //
@@ -38,11 +38,9 @@ struct PPB_VideoDecoder_Dev {
   //   |decoder_config| the configuration to use to initialize the decoder.
   //
   // The created decoder is returned as PP_Resource. 0 means failure.
-  // TODO(fischman/vrk): Get rid of silly PP_VideoConfigElement* vector in favor
-  // of config struct.
   PP_Resource (*Create)(PP_Instance instance,
                         PP_Resource context,
-                        const PP_VideoConfigElement* decoder_config);
+                        const struct PP_VideoDecoderConfig_Dev* decoder_config);
 
   // Tests whether |resource| is a video decoder created through Create
   // function of this interface.