rename blitrow::proc and add (uncalled) hook for colorproc16

src/opts/opts_check_x86.cpp

Index: src/opts/opts_check_x86.cpp
diff --git a/src/opts/opts_check_x86.cpp b/src/opts/opts_check_x86.cpp
index 84041d05b0c8ba32494431f5c3c7ac1d94b9f854..a19ebfa285154e346a1fc680f6fba2c59b952b5d 100644
--- a/src/opts/opts_check_x86.cpp
+++ b/src/opts/opts_check_x86.cpp
@@ -206,7 +206,7 @@ void SkBitmapProcState::platformProcs() {
 
 ////////////////////////////////////////////////////////////////////////////////
 
-static SkBlitRow::Proc platform_16_procs[] = {
+static SkBlitRow::Proc16 platform_16_procs[] = {
     S32_D565_Opaque_SSE2,               // S32_D565_Opaque
     NULL,                               // S32_D565_Blend
     S32A_D565_Opaque_SSE2,              // S32A_D565_Opaque
@@ -217,7 +217,7 @@ static SkBlitRow::Proc platform_16_procs[] = {
     NULL,                               // S32A_D565_Blend_Dither
 };
 
-SkBlitRow::Proc SkBlitRow::PlatformProcs565(unsigned flags) {
+SkBlitRow::Proc16 SkBlitRow::PlatformFactory565(unsigned flags) {
     if (supports_simd(SK_CPU_SSE_LEVEL_SSE2)) {
         return platform_16_procs[flags];
     } else {
@@ -225,6 +225,10 @@ SkBlitRow::Proc SkBlitRow::PlatformProcs565(unsigned flags) {
     }
 }
 
+SkBlitRow::ColorProc16 SkBlitRow::PlatformColorFactory565(unsigned flags) {
+    return NULL;
+}
+
 static SkBlitRow::Proc32 platform_32_procs_SSE2[] = {
     NULL,                               // S32_Opaque,
     S32_Blend_BlitRow32_SSE2,           // S32_Blend,