correctly plumb through explicit rowbytes for allocPixels

src/core/SkMallocPixelRef.cpp

Index: src/core/SkMallocPixelRef.cpp
diff --git a/src/core/SkMallocPixelRef.cpp b/src/core/SkMallocPixelRef.cpp
index 12cb05bd729302fd117c86bed3b16954ba5f9187..d51fb7c68b662335cedc89c10efb8bb996067388 100644
--- a/src/core/SkMallocPixelRef.cpp
+++ b/src/core/SkMallocPixelRef.cpp
@@ -240,7 +240,7 @@ SkMallocPixelRef::SkMallocPixelRef(SkReadBuffer& buffer)
 
 ///////////////////////////////////////////////////////////////////////////////
 
-SkPixelRef* SkMallocPixelRef::PRFactory::create(const SkImageInfo& info,
+SkPixelRef* SkMallocPixelRef::PRFactory::create(const SkImageInfo& info, size_t rowBytes,
                                                 SkColorTable* ctable) {
-    return SkMallocPixelRef::NewAllocate(info, info.minRowBytes(), ctable);
+    return SkMallocPixelRef::NewAllocate(info, rowBytes, ctable);
 }