Otherwise when trying to add the declarations back, things might fail
because the loop initialization is a sequence and not a block.

BUG=668028

Change-Id: I8d84a25c25765e9655c16ce56604ae08f0f8176c
Reviewed-on: https://chromium-review.googlesource.com/414305
Commit-Queue: Corentin Wallez <cwallez@chromium.org>
Reviewed-by: Olli Etuaho <oetuaho@nvidia.com>