Move rect_memcopy from helper to global static.

src/core/SkConfig8888.cpp

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkBitmap.h"
 #include "SkCanvas.h"
 #include "SkConfig8888.h"
@@ skipping 108 matching lines @@
     size_t srcInc = fRowBytes >> 2;
     size_t dstInc = dst->fRowBytes >> 2;
     for (int y = 0; y < height; ++y) {
         proc(dstP, srcP, width);
         dstP += dstInc;
         srcP += srcInc;
     }
     return true;
 }
 
-static void rect_memcpy(void* dst, size_t dstRB, const void* src, size_t srcRB, size_t bytesPerRow,
-                        int rowCount) {
-    SkASSERT(bytesPerRow <= srcRB);
-    SkASSERT(bytesPerRow <= dstRB);
-    for (int i = 0; i < rowCount; ++i) {
-        memcpy(dst, src, bytesPerRow);
-        dst = (char*)dst + dstRB;
-        src = (const char*)src + srcRB;
-    }
-}
-
 static void copy_g8_to_32(void* dst, size_t dstRB, const void* src, size_t srcRB, int w, int h) {
     uint32_t* dst32 = (uint32_t*)dst;
     const uint8_t* src8 = (const uint8_t*)src;
     
     for (int y = 0; y < h; ++y) {
         for (int x = 0; x < w; ++x) {
             dst32[x] = SkPackARGB32(0xFF, src8[x], src8[x], src8[x]);
         }
         dst32 = (uint32_t*)((char*)dst32 + dstRB);
         src8 += srcRB;
@@ skipping 65 matching lines @@
                 break;
             case kIndex_8_SkColorType:
             case kARGB_4444_SkColorType:
                 if (srcInfo.alphaType() != dstInfo.alphaType()) {
                     return false;
                 }
                 break;
             default:
                 return false;
         }
-        rect_memcpy(dstPixels, dstRB, srcPixels, srcRB, width * srcInfo.bytesPerPixel(), height);
+        SkRectMemcpy(dstPixels, dstRB, srcPixels, srcRB, width * srcInfo.bytesPerPixel(), height);
         return true;
     }
 
     /*
      *  Begin section where we try to change colorTypes along the way. Not all combinations
      *  are supported.
      */
 
     if (kGray_8_SkColorType == srcInfo.colorType() && 4 == dstInfo.bytesPerPixel()) {
         copy_g8_to_32(dstPixels, dstRB, srcPixels, srcRB, width, height);
@@ skipping 61 matching lines @@
 
         SkPaint  paint;
         paint.setDither(true);
 
         canvas->clear(0);
         canvas->drawBitmap(bm, 0, 0, &paint);
         return true;
     }
 }