Renamed some global cache size constants

There were several different k*Cache*Size variables controlling
different caches but with the same name. These collided in jumbo
builds but also made it harder to discuss them and their values
so renaming them seems like a good improvement.

Bug: 746953
Change-Id: I1e8dc4f687c7b1e3ca8a9f9a5e80409029f8c4b0
Reviewed-on: https://chromium-review.googlesource.com/721205
Reviewed-by: Michael Nordman <michaeln@chromium.org>
Commit-Queue: Daniel Bratell <bratell@opera.com>
Cr-Commit-Position: refs/heads/master@{#509341}
4 files changed