Commit a0421736: ("Move the rest of the core files in chrome\browser
to content\browser.") moved it from chrome/browser/zygote_host_linux.cc
to content/browser/zygote_host_linux.cc.

Commit c2c68b1f: ("Add an API around zygoteHost so that chrome doesn't
reach into the internal content implementation.") renamed it from
content/browser/zygote_host_linux.cc to content/browser/zygote_host_impl_linux.cc.

Commit 13d6b3c1: ("Move zygote_host_impl_linux.* to content/browser/zygote_host")
moved it into content/browser/zygote_host.

BUG=None

Change-Id: Ie8f8fad945ec53109f67cf53462cd4af01c70d44
Reviewed-on: https://chromium-review.googlesource.com/509248


Commit-Queue: Thiago Farina <tfarina@chromium.org>
Reviewed-by: Ricky Zhou <rickyz@chromium.org>
Cr-Commit-Position: refs/heads/master@{#474641}