Port SkBlitRow::Color32 to SkOpts.

src/core/SkOpts.cpp

Index: src/core/SkOpts.cpp
diff --git a/src/core/SkOpts.cpp b/src/core/SkOpts.cpp
index 69373c0fd1abaa435d27c4febe342309cdf6c2bf..492fae3a6b8ca76709069c77062ef093d6e9032e 100644
--- a/src/core/SkOpts.cpp
+++ b/src/core/SkOpts.cpp
@@ -10,6 +10,7 @@
 
 #define SK_OPTS_NS sk_default
 #include "SkBlitMask_opts.h"
+#include "SkBlitRow_opts.h"
 #include "SkBlurImageFilter_opts.h"
 #include "SkColorCubeFilter_opts.h"
 #include "SkFloatingPoint_opts.h"
@@ -55,6 +56,8 @@ namespace SkOpts {
 
     decltype(blit_mask_d32_a8) blit_mask_d32_a8 = sk_default::blit_mask_d32_a8;
 
+    decltype(blit_row_color32) blit_row_color32 = sk_default::blit_row_color32;
+
     // Each Init_foo() is defined in src/opts/SkOpts_foo.cpp.
     void Init_ssse3();
     void Init_sse41();