deprecate odd variants of SkCanvas::readPixels

Bug: skia:6513
Change-Id: I51179a85f0912d3f899c368c30a943d346dd1d05
Reviewed-on: https://skia-review.googlesource.com/13589
Reviewed-by: Florin Malita <fmalita@chromium.org>
Reviewed-by: Matt Sarett <msarett@google.com>
Commit-Queue: Mike Reed <reed@google.com>
diff --git a/dm/DMSrcSink.cpp b/dm/DMSrcSink.cpp
index e8c33a4..3a19751 100644
--- a/dm/DMSrcSink.cpp
+++ b/dm/DMSrcSink.cpp
@@ -1306,7 +1306,7 @@
         canvas->getGrContext()->dumpGpuStats(log);
     }
     dst->allocPixels(info);
-    canvas->readPixels(dst, 0, 0);
+    canvas->readPixels(*dst, 0, 0);
     if (FLAGS_abandonGpuContext) {
         factory.abandonContexts();
     } else if (FLAGS_releaseAndAbandonGpuContext) {
@@ -1869,7 +1869,7 @@
         if (fColorSpin) {
             SkBitmap pixels;
             pixels.allocPixels(canvas->imageInfo());
-            canvas->readPixels(&pixels, 0, 0);
+            canvas->readPixels(pixels, 0, 0);
             for (int y = 0; y < pixels.height(); y++) {
                 for (int x = 0; x < pixels.width(); x++) {
                     uint32_t pixel = *pixels.getAddr32(x, y);