Give the different KDataFile variables unique prefixes

In the jumbo build experiment (chromium unity builds) there is a
collision between the two different kDataFile strings. This patch
renames them kNetworkErrorDataFile and kTargetsDataFile which also
matches their intended values.

Bug: 746953
Change-Id: Ib9f47fa4d358303c7cdbb65b54b40080521a915d
Reviewed-on: https://chromium-review.googlesource.com/721299
Reviewed-by: Bence Béky <bnc@chromium.org>
Reviewed-by: Dominic Mazzoni <dmazzoni@chromium.org>
Commit-Queue: Daniel Bratell <bratell@opera.com>
Cr-Commit-Position: refs/heads/master@{#509320}
2 files changed