libvpx: Pull from upstream

source/libvpx/vp9/common/vp9_loopfilter.h

Index: source/libvpx/vp9/common/vp9_loopfilter.h
===================================================================
--- source/libvpx/vp9/common/vp9_loopfilter.h	(revision 292072)
+++ source/libvpx/vp9/common/vp9_loopfilter.h	(working copy)
@@ -89,7 +89,7 @@
 // by mi_row, mi_col.
 void vp9_setup_mask(struct VP9Common *const cm,
                     const int mi_row, const int mi_col,
-                    MODE_INFO **mi_8x8, const int mode_info_stride,
+                    MODE_INFO *mi_8x8, const int mode_info_stride,
                     LOOP_FILTER_MASK *lfm);
 
 void vp9_filter_block_plane(struct VP9Common *const cm,
@@ -111,13 +111,13 @@
                            int y_only, int partial_frame);
 
 // Apply the loop filter to [start, stop) macro block rows in frame_buffer.
-void vp9_loop_filter_rows(const YV12_BUFFER_CONFIG *frame_buffer,
+void vp9_loop_filter_rows(YV12_BUFFER_CONFIG *frame_buffer,
                           struct VP9Common *cm,
                           struct macroblockd_plane planes[MAX_MB_PLANE],
                           int start, int stop, int y_only);
 
 typedef struct LoopFilterWorkerData {
-  const YV12_BUFFER_CONFIG *frame_buffer;
+  YV12_BUFFER_CONFIG *frame_buffer;
   struct VP9Common *cm;
   struct macroblockd_plane planes[MAX_MB_PLANE];
 
@@ -129,8 +129,8 @@
   int num_lf_workers;
 } LFWorkerData;
 
-// Operates on the rows described by LFWorkerData passed as 'arg1'.
-int vp9_loop_filter_worker(void *arg1, void *arg2);
+// Operates on the rows described by 'lf_data'.
+int vp9_loop_filter_worker(LFWorkerData *const lf_data, void *unused);
 #ifdef __cplusplus
 }  // extern "C"
 #endif