android: Don't log error when checking weak ref

The point of a weak reference is to be able to try and deref it
even when the object is no longer around, so this is not an error.

Review URL: https://codereview.chromium.org/1489703002

Cr-Commit-Position: refs/heads/master@{#362485}


CrOS-Libchrome-Original-Commit: 78e532c13851d51105d44ce9224cb32bcc27f87f
1 file changed
tree: c03744da63f94495bdcdf2a360eae05f8ab7eb5d
  1. base/
  2. build/
  3. components/
  4. dbus/
  5. device/
  6. ipc/
  7. mojo/
  8. testing/
  9. third_party/
  10. ui/