Don't unnecessarily call WebAppCommand::ToDebugValue twice.

We already have the value in a local variable, so there is no need
for the second call. 

Change-Id: Ifbc79ee88ebcdc2c1cae3b7d2089539e6f387066
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4351048


Commit-Queue: Dibyajyoti Pal <dibyapal@chromium.org>
Reviewed-by: Dibyajyoti Pal <dibyapal@chromium.org>
Commit-Queue: Marijn Kruisselbrink <mek@chromium.org>
Auto-Submit: Marijn Kruisselbrink <mek@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1118934}