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/tests/WritePixelsTest.cpp b/tests/WritePixelsTest.cpp
index cace6b1..bf2e64e 100644
--- a/tests/WritePixelsTest.cpp
+++ b/tests/WritePixelsTest.cpp
@@ -191,7 +191,8 @@
     // At some point this will be unsupported, as we won't allow accessBitmap() to magically call
     // readPixels for the client.
     SkBitmap secretDevBitmap;
-    if (!canvas->readPixels(canvasInfo.bounds(), &secretDevBitmap)) {
+    secretDevBitmap.allocN32Pixels(canvasInfo.width(), canvasInfo.height());
+    if (!canvas->readPixels(secretDevBitmap, 0, 0)) {
         return false;
     }