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

src/opts/SkBlitRow_opts_arm.cpp

 /*
  * Copyright 2012 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkBlitRow.h"
 #include "SkColorPriv.h"
 #include "SkDither.h"
@@ skipping 329 matching lines @@
                   "3:                                \n\t" /* <exit> */
                   : [dst] "+r" (dst), [src] "+r" (src), [count] "+r" (count), [alpha] "+r" (alpha)
                   :
                   : "cc", "r4", "r5", "r6", "r7", "r8", "r9", "r10", "r11", "r12", "memory"
                   );
 
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 
-static const SkBlitRow::Proc sk_blitrow_platform_565_procs_arm[] = {
+static const SkBlitRow::Proc16 sk_blitrow_platform_565_procs_arm[] = {
     // no dither
     // NOTE: For the functions below, we don't have a special version
     //       that assumes that each source pixel is opaque. But our S32A is
     //       still faster than the default, so use it.
     S32A_D565_Opaque,   // S32_D565_Opaque
     NULL,               // S32_D565_Blend
     S32A_D565_Opaque,   // S32A_D565_Opaque
     NULL,               // S32A_D565_Blend
 
     // dither
     NULL,   // S32_D565_Opaque_Dither
     NULL,   // S32_D565_Blend_Dither
     NULL,   // S32A_D565_Opaque_Dither
     NULL,   // S32A_D565_Blend_Dither
 };
 
 static const SkBlitRow::Proc32 sk_blitrow_platform_32_procs_arm[] = {
     NULL,   // S32_Opaque,
     NULL,   // S32_Blend,
     S32A_Opaque_BlitRow32_arm,   // S32A_Opaque,
     S32A_Blend_BlitRow32_arm     // S32A_Blend
 };
 
 #endif // USE_ARM_CODE
 
-SkBlitRow::Proc SkBlitRow::PlatformProcs565(unsigned flags) {
+SkBlitRow::Proc16 SkBlitRow::PlatformFactory565(unsigned flags) {
     return SK_ARM_NEON_WRAP(sk_blitrow_platform_565_procs_arm)[flags];
 }
 
+SkBlitRow::ColorProc16 SkBlitRow::PlatformColorFactory565(unsigned flags) {
+    return NULL;
+}
+
 SkBlitRow::Proc32 SkBlitRow::PlatformProcs32(unsigned flags) {
     return SK_ARM_NEON_WRAP(sk_blitrow_platform_32_procs_arm)[flags];
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 #define Color32_arm  NULL
 SkBlitRow::ColorProc SkBlitRow::PlatformColorProc() {
     return SK_ARM_NEON_WRAP(Color32_arm);
 }
 
 SkBlitRow::ColorRectProc PlatformColorRectProcFactory() {
     return NULL;
 }