Adds missing ivar annotations on ObjC type ivars.

Some variables that are marked as "// weak" were not __weak or
__unsafe_unretained. Mark them as such, or remove the "// weak", as
necessary.

Bug: 624363
Change-Id: I96e17d26e169095d46c4917196ceeb27b8b6e90e
Reviewed-on: https://chromium-review.googlesource.com/623230
Reviewed-by: Sylvain Defresne <sdefresne@chromium.org>
Commit-Queue: Stepan Khapugin <stkhapugin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#495922}
9 files changed