drawBitmap is deprecated

Bug: skia:11216
Change-Id: I15f7723e70cb6b252bf313530fd6d783a7635a00
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/360777
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Mike Reed <reed@google.com>
diff --git a/docs/examples/Bitmap_tryAllocPixels_2.cpp b/docs/examples/Bitmap_tryAllocPixels_2.cpp
index ad3d107..c8ee8bd 100644
--- a/docs/examples/Bitmap_tryAllocPixels_2.cpp
+++ b/docs/examples/Bitmap_tryAllocPixels_2.cpp
@@ -9,8 +9,8 @@
         SkCanvas offscreen(bitmap);
         offscreen.scale(.25f, .5f);
         for (int y : { 0, 64, 128, 192 } ) {
-            offscreen.drawBitmap(source, -y, -y);
-            canvas->drawBitmap(bitmap, y, y);
+            offscreen.drawImage(source.asImage(), -y, -y);
+            canvas->drawImage(bitmap.asImage(), y, y);
         }
     }
 }