Alter SkCanvas::drawPicture (devirtualize, take const SkPicture, take pointer)

src/utils/SkGatherPixelRefsAndRects.cpp

Index: src/utils/SkGatherPixelRefsAndRects.cpp
diff --git a/src/utils/SkGatherPixelRefsAndRects.cpp b/src/utils/SkGatherPixelRefsAndRects.cpp
index 320d99694ac5dad902c2ef20efd3ad1a79cf9e26..f46fe8ed42f0d01a069f8d97abde26f379f0844c 100644
--- a/src/utils/SkGatherPixelRefsAndRects.cpp
+++ b/src/utils/SkGatherPixelRefsAndRects.cpp
@@ -21,5 +21,5 @@ void SkPictureUtils::GatherPixelRefsAndRects(SkPicture* pict,
     canvas.clipRect(SkRect::MakeWH(SkIntToScalar(pict->width()),
                                    SkIntToScalar(pict->height())),
                     SkRegion::kIntersect_Op, false);
-    canvas.drawPicture(*pict);
+    canvas.drawPicture(pict);
 }