Expand pixelref to return SkImageInfo and rowbytes

src/image/SkImage_Raster.cpp

Index: src/image/SkImage_Raster.cpp
diff --git a/src/image/SkImage_Raster.cpp b/src/image/SkImage_Raster.cpp
index a872ae36e52d3aad65b23fffa280544876b252d5..93de5ea3abb1765cd03d26a2855e93bac20e67dd 100644
--- a/src/image/SkImage_Raster.cpp
+++ b/src/image/SkImage_Raster.cpp
@@ -84,10 +84,8 @@ SkImage* SkImage_Raster::NewEmpty() {
 
 SkImage_Raster::SkImage_Raster(const Info& info, SkData* data, 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(SkNEW_ARGS(SkDataPixelRef, (data)))->unref();
+    fBitmap.setConfig(info, rowBytes);
+    fBitmap.setPixelRef(SkNEW_ARGS(SkDataPixelRef, (info, data, rowBytes)))->unref();
     fBitmap.setImmutable();
 }