tree 6f1046339c2717265edfb56bd22455aa373597a0
parent 749b6360a15d3b4c215163cc1237b2c75b7410bf
author Mark Renouf <mrenouf@google.com> 1602864220 -0400
committer Mark Renouf <mrenouf@google.com> 1603206142 -0400

scrollCapture: Avoid crash if host window doesn't exist

1. Enforce that the provided token is actually a window token
2. Allow the referenced window not to exist, in which case it
   is ignored.

Test: atest ScrollCaptureTest

Change-Id: Ic2a8e09fb397d844de06355e440435da4f8bf338