drawBitmap is deprecated

Bug: skia:11216
Change-Id: I4affb8e00ff7e7b3e8d873ddfd653f397ca8d928
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/360979
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Mike Reed <reed@google.com>
diff --git a/docs/examples/Matrix_set9.cpp b/docs/examples/Matrix_set9.cpp
index 8d117d0..f726698 100644
--- a/docs/examples/Matrix_set9.cpp
+++ b/docs/examples/Matrix_set9.cpp
@@ -8,6 +8,6 @@
     SkScalar buffer[9] = {4, 0, 3,    0, 5, 4,     0, 0, 1};
     m.set9(buffer);
     canvas->concat(m);
-    canvas->drawBitmap(source, 0, 0);
+    canvas->drawImage(image, 0, 0);
 }
 }  // END FIDDLE