refactor ARGBToI422 using ARGBToI420 internally

include/libyuv/row.h

Index: include/libyuv/row.h
diff --git a/include/libyuv/row.h b/include/libyuv/row.h
index 994df06e1fb3d54e0adb2e4f5dfb74f81834516b..6a13393a65d914c6e27845c06181ef9e50704080 100644
--- a/include/libyuv/row.h
+++ b/include/libyuv/row.h
@@ -93,7 +93,6 @@ extern "C" {
 #define HAS_ARGBTORGB24ROW_SSSE3
 #define HAS_ARGBTORGB565DITHERROW_SSE2
 #define HAS_ARGBTORGB565ROW_SSE2
-#define HAS_ARGBTOUV422ROW_SSSE3
 #define HAS_ARGBTOUV444ROW_SSSE3
 #define HAS_ARGBTOUVJROW_SSSE3
 #define HAS_ARGBTOUVROW_SSSE3
@@ -280,7 +279,6 @@ extern "C" {
 #define HAS_ARGBTORGB565DITHERROW_NEON
 #define HAS_ARGBTORGB565ROW_NEON
 #define HAS_ARGBTOUV411ROW_NEON
-#define HAS_ARGBTOUV422ROW_NEON
 #define HAS_ARGBTOUV444ROW_NEON
 #define HAS_ARGBTOUVJROW_NEON
 #define HAS_ARGBTOUVROW_NEON
@@ -648,8 +646,6 @@ void ARGBToYRow_NEON(const uint8* src_argb, uint8* dst_y, int width);
 void ARGBToYJRow_NEON(const uint8* src_argb, uint8* dst_y, int width);
 void ARGBToUV444Row_NEON(const uint8* src_argb, uint8* dst_u, uint8* dst_v,
                          int width);
-void ARGBToUV422Row_NEON(const uint8* src_argb, uint8* dst_u, uint8* dst_v,
-                         int width);
 void ARGBToUV411Row_NEON(const uint8* src_argb, uint8* dst_u, uint8* dst_v,
                          int width);
 void ARGBToUVRow_NEON(const uint8* src_argb, int src_stride_argb,
@@ -736,8 +732,6 @@ void RGBAToUVRow_Any_SSSE3(const uint8* src_rgba, int src_stride_rgba,
                            uint8* dst_u, uint8* dst_v, int width);
 void ARGBToUV444Row_Any_NEON(const uint8* src_argb, uint8* dst_u, uint8* dst_v,
                              int width);
-void ARGBToUV422Row_Any_NEON(const uint8* src_argb, uint8* dst_u, uint8* dst_v,
-                             int width);
 void ARGBToUV411Row_Any_NEON(const uint8* src_argb, uint8* dst_u, uint8* dst_v,
                              int width);
 void ARGBToUVRow_Any_NEON(const uint8* src_argb, int src_stride_argb,
@@ -788,19 +782,10 @@ void ARGBToUV444Row_SSSE3(const uint8* src_argb,
 void ARGBToUV444Row_Any_SSSE3(const uint8* src_argb,
                               uint8* dst_u, uint8* dst_v, int width);
 
-void ARGBToUV422Row_SSSE3(const uint8* src_argb,
-                          uint8* dst_u, uint8* dst_v, int width);
-void ARGBToUV422Row_Any_SSSE3(const uint8* src_argb,
-                              uint8* dst_u, uint8* dst_v, int width);
-
 void ARGBToUV444Row_C(const uint8* src_argb,
                       uint8* dst_u, uint8* dst_v, int width);
-void ARGBToUV422Row_C(const uint8* src_argb,
-                      uint8* dst_u, uint8* dst_v, int width);
 void ARGBToUV411Row_C(const uint8* src_argb,
                       uint8* dst_u, uint8* dst_v, int width);
-void ARGBToUVJ422Row_C(const uint8* src_argb,
-                       uint8* dst_u, uint8* dst_v, int width);
 
 void MirrorRow_AVX2(const uint8* src, uint8* dst, int width);
 void MirrorRow_SSSE3(const uint8* src, uint8* dst, int width);