Add downloading stage event for force installed extensions

We have several downloading stages that the force installed extension
must go through. We want to add downloading stage event to the
existing events for the event based reporting for force installed
extensions.

Bug: 1108257
Change-Id: I0dacd8f319c1d9eed186fc290d20659c2bbfd223
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2310539
Commit-Queue: Swapnil Gupta <swapnilgupta@google.com>
Reviewed-by: Devlin <rdevlin.cronin@chromium.org>
Reviewed-by: Oleg Davydov <burunduk@chromium.org>
Reviewed-by: Sergey Poromov <poromov@chromium.org>
Cr-Original-Commit-Position: refs/heads/master@{#793685}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: d4d86cabdacbf646f421fedcc85bafbedc578eb9
1 file changed