Remove calls to MessageLoop::current() in tools.

Why?
The fact that there's a MessageLoop on the thread is an
unnecessary implementation detail. When browser threads
are migrated to base/task_scheduler, tasks will no longer
have access to a MessageLoop.

These changes were generated manually.

BUG=616447

Review-Url: https://codereview.chromium.org/2130443002
Cr-Original-Commit-Position: refs/heads/master@{#406006}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: f0544fc6ed9a3477926b3640fae9706836f211ea
6 files changed
tree: 38c2a8eacd6ce7b9933de6efe1e4e2ca33ac4ae4
  1. tools/