Can't hurt to make this SkNoncopyable.
BUG=skia:
R=bungeman@google.com, mtklein@google.com
Author: mtklein@chromium.org
Review URL: https://codereview.chromium.org/510953002
diff --git a/src/core/SkRecords.h b/src/core/SkRecords.h
index f216897..bd65fc5 100644
--- a/src/core/SkRecords.h
+++ b/src/core/SkRecords.h
@@ -180,7 +180,7 @@
// Like SkBitmap, but deep copies pixels if they're not immutable.
// Using this, we guarantee the immutability of all bitmaps we record.
-class ImmutableBitmap {
+class ImmutableBitmap : SkNoncopyable {
public:
explicit ImmutableBitmap(const SkBitmap& bitmap) {
if (bitmap.isImmutable()) {