GitLab

Update code where NULL or 0 is assigned to a scoped_refptr to reset it. Just
call reset() instead. If operator=(std::nullptr_t) is added these assignments
become ambiguous.

This CL was uploaded by git cl split.

R=rmcilroy@chromium.org

Bug: 1024981
Change-Id: Id9096057c47c70ad94e97ddb42984c71e0ab078e
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1918319
Auto-Submit: kylechar <kylechar@chromium.org>
Reviewed-by: Ross McIlroy <rmcilroy@chromium.org>
Commit-Queue: kylechar <kylechar@chromium.org>
Cr-Commit-Position: refs/heads/master@{#715682}