Add a release procedure to SkMallocPixelRef; remove SkDataPixelRef

src/image/SkImage_Raster.cpp

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkImage_Base.h"
 #include "SkImagePriv.h"
 #include "SkBitmap.h"
 #include "SkCanvas.h"
 #include "SkData.h"
-#include "SkDataPixelRef.h"
+#include "SkMallocPixelRef.h"
 
 class SkImage_Raster : public SkImage_Base {
 public:
     static bool ValidArgs(const Info& info, size_t rowBytes) {
         const int maxDimension = SK_MaxS32 >> 2;
         const size_t kMaxPixelByteSize = SK_MaxS32;
 
         if (info.fWidth < 0 || info.fHeight < 0) {
             return false;
         }
@@ skipping 54 matching lines @@
     if (NULL == gEmpty) {
         gEmpty = SkNEW(SkImage_Raster);
     }
     gEmpty->ref();
     return gEmpty;
 }
 
 SkImage_Raster::SkImage_Raster(const Info& info, SkData* data, size_t rowBytes)
         : INHERITED(info.fWidth, info.fHeight) {
     fBitmap.setConfig(info, rowBytes);
-    fBitmap.setPixelRef(SkNEW_ARGS(SkDataPixelRef, (info, data)))->unref();
+    SkAutoTUnref<SkPixelRef> ref(
+        SkMallocPixelRef::NewWithData(info, rowBytes, NULL, data, 0));
+    fBitmap.setPixelRef(ref, 0);
     fBitmap.setImmutable();
 }
 
 SkImage_Raster::SkImage_Raster(const Info& info, SkPixelRef* pr, size_t rowBytes)
 : INHERITED(info.fWidth, info.fHeight) {
     SkBitmap::Config config = SkImageInfoToBitmapConfig(info);
 
     fBitmap.setConfig(config, info.fWidth, info.fHeight, rowBytes, info.fAlphaType);
     fBitmap.setPixelRef(pr);
 }
@@ skipping 56 matching lines @@
 }
 
 SkImage* SkNewImageFromPixelRef(const SkImageInfo& info, SkPixelRef* pr,
                                 size_t rowBytes) {
     return SkNEW_ARGS(SkImage_Raster, (info, pr, rowBytes));
 }
 
 SkPixelRef* SkBitmapImageGetPixelRef(SkImage* image) {
     return ((SkImage_Raster*)image)->getPixelRef();
 }