NewRasterDirect should *not* erase the pixels -- direct means the client is in-charge

src/core/SkCanvas.cpp

Index: src/core/SkCanvas.cpp
diff --git a/src/core/SkCanvas.cpp b/src/core/SkCanvas.cpp
index e8da12920f2a75768021e527d7d3cba1cdec4714..f501468a330de7659adc9a6b1233722bf88cb413 100644
--- a/src/core/SkCanvas.cpp
+++ b/src/core/SkCanvas.cpp
@@ -2672,10 +2672,5 @@ SkCanvas* SkCanvas::NewRasterDirect(const SkImageInfo& info, void* pixels, size_
     if (!bitmap.installPixels(info, pixels, rowBytes)) {
         return NULL;
     }
-
-    // should this functionality be moved into allocPixels()?
-    if (!bitmap.info().isOpaque()) {
-        bitmap.eraseColor(0);
-    }
     return SkNEW_ARGS(SkCanvas, (bitmap));
 }