Wrote http://crrev.com/2214263006

anthonyvd@ Can you have a quick look at it? 

I only reverted it as one of today's sheriff so I'm not necessarily the best person to look at this. I started some ASAN trybots on that CL so maybe wait for the results of those and have the CL reviewed by OWNERs.

Thanks!

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/dea5e4beeecc2dac9ec84dd30741a24d2214795f

commit dea5e4beeecc2dac9ec84dd30741a24d2214795f
Author: puthik <puthik@chromium.org>
Date: Fri Aug 05 21:08:29 2016

arc: bluetooth: Fix LSAN error in fake_bluetooth_instance

fake_bluetooth_instance used raw pointer to store all the
requests to mojo BluetoothInstance. However, this can easisly
caused memory leak unless we are carefully delete those data.

This CL changes it to std::unique_ptr<> to auto destroy those
data when fake_bluetooth_instance is destroyed.

BUG= 634898 
TEST=Run tests with ASAN and LSAN

Review-Url: https://codereview.chromium.org/2214263006
Cr-Commit-Position: refs/heads/master@{#410160}

[modify] https://crrev.com/dea5e4beeecc2dac9ec84dd30741a24d2214795f/components/arc/test/fake_bluetooth_instance.cc
[modify] https://crrev.com/dea5e4beeecc2dac9ec84dd30741a24d2214795f/components/arc/test/fake_bluetooth_instance.h

The link in #0 shows 2 consecutive green build.