The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/c0b2b8b1b919b0fcda51e691406d50a62f89771d

commit c0b2b8b1b919b0fcda51e691406d50a62f89771d
Author: mmenke <mmenke@chromium.org>
Date: Fri Apr 21 16:27:52 2017

Move MediaDeviceIDSalt from ProfileIOData to ProfileImpl.

The object is never used on the IO thread, and even had DCHECKs to
ensure that's the case, so it makes no sense in ProfileIOData.

It's also one of the few things exposed by ResourceContext, which we're
probably going to get rid of.

BUG= 712296 
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:linux_site_isolation

Review-Url: https://codereview.chromium.org/2820163002
Cr-Commit-Position: refs/heads/master@{#466358}

[modify] https://crrev.com/c0b2b8b1b919b0fcda51e691406d50a62f89771d/chrome/browser/extensions/api/webrtc_audio_private/webrtc_audio_private_api.cc
[modify] https://crrev.com/c0b2b8b1b919b0fcda51e691406d50a62f89771d/chrome/browser/extensions/api/webrtc_audio_private/webrtc_audio_private_browsertest.cc
[modify] https://crrev.com/c0b2b8b1b919b0fcda51e691406d50a62f89771d/chrome/browser/media/media_device_id_salt.cc
[modify] https://crrev.com/c0b2b8b1b919b0fcda51e691406d50a62f89771d/chrome/browser/media/media_device_id_salt.h
[modify] https://crrev.com/c0b2b8b1b919b0fcda51e691406d50a62f89771d/chrome/browser/profiles/profile_impl.cc
[modify] https://crrev.com/c0b2b8b1b919b0fcda51e691406d50a62f89771d/chrome/browser/profiles/profile_impl.h
[modify] https://crrev.com/c0b2b8b1b919b0fcda51e691406d50a62f89771d/chrome/browser/profiles/profile_io_data.cc
[modify] https://crrev.com/c0b2b8b1b919b0fcda51e691406d50a62f89771d/chrome/browser/profiles/profile_io_data.h
[modify] https://crrev.com/c0b2b8b1b919b0fcda51e691406d50a62f89771d/content/browser/browser_context.cc
[modify] https://crrev.com/c0b2b8b1b919b0fcda51e691406d50a62f89771d/content/browser/frame_host/render_frame_host_impl.cc
[modify] https://crrev.com/c0b2b8b1b919b0fcda51e691406d50a62f89771d/content/browser/renderer_host/media/media_devices_dispatcher_host.cc
[modify] https://crrev.com/c0b2b8b1b919b0fcda51e691406d50a62f89771d/content/browser/renderer_host/media/media_devices_dispatcher_host_unittest.cc
[modify] https://crrev.com/c0b2b8b1b919b0fcda51e691406d50a62f89771d/content/browser/renderer_host/media/media_stream_dispatcher_host_unittest.cc
[modify] https://crrev.com/c0b2b8b1b919b0fcda51e691406d50a62f89771d/content/browser/renderer_host/media/video_capture_unittest.cc
[modify] https://crrev.com/c0b2b8b1b919b0fcda51e691406d50a62f89771d/content/browser/renderer_host/render_process_host_impl.cc
[modify] https://crrev.com/c0b2b8b1b919b0fcda51e691406d50a62f89771d/content/browser/resource_context_impl.cc
[modify] https://crrev.com/c0b2b8b1b919b0fcda51e691406d50a62f89771d/content/public/browser/browser_context.h
[modify] https://crrev.com/c0b2b8b1b919b0fcda51e691406d50a62f89771d/content/public/browser/resource_context.h
[modify] https://crrev.com/c0b2b8b1b919b0fcda51e691406d50a62f89771d/extensions/browser/api/webcam_private/webcam_private_api_chromeos.cc

Apologies, applied the wrong component in bulk.