1 files changed, 10 insertions, 1 deletions
diff --git a/chromium/third_party/libvpx/source/libvpx/vp9/common/vp9_quant_common.h b/chromium/third_party/libvpx/source/libvpx/vp9/common/vp9_quant_common.h
index 83f2fb65530..58110400645 100644
--- a/chromium/third_party/libvpx/source/libvpx/vp9/common/vp9_quant_common.h
+++ b/chromium/third_party/libvpx/source/libvpx/vp9/common/vp9_quant_common.h
@@ -13,6 +13,10 @@
 
 #include "vp9/common/vp9_blockd.h"
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 #define MINQ 0
 #define MAXQ 255
 #define QINDEX_RANGE (MAXQ - MINQ + 1)
@@ -23,6 +27,11 @@ void vp9_init_quant_tables();
 int16_t vp9_dc_quant(int qindex, int delta);
 int16_t vp9_ac_quant(int qindex, int delta);
 
-int vp9_get_qindex(struct segmentation *seg, int segment_id, int base_qindex);
+int vp9_get_qindex(const struct segmentation *seg, int segment_id,
+                   int base_qindex);
+
+#ifdef __cplusplus
+}  // extern "C"
+#endif
 
 #endif  // VP9_COMMON_VP9_QUANT_COMMON_H_