GitLab

It looks like this function got cargo-culted around during refactors.

* Remove unused copies for NaCl, utility process and PPAPI
* Inline the one used copy from RenderProcessHostImpl into BrowserMainLoop

No behavior changes.

BUG=none
TEST=bots

Review-Url: https://codereview.chromium.org/2848603003
Cr-Commit-Position: refs/heads/master@{#468015}