The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/ff7311159a7f270b38d2e696bf69ac5ee8da45ee

commit ff7311159a7f270b38d2e696bf69ac5ee8da45ee
Author: btolsch <btolsch@chromium.org>
Date: Fri Feb 24 23:11:59 2017

Remove unused PresentationServiceImpl message code

Since the move to a separate Mojo interface for presentation connection
messages, some code in PresentationServiceImpl relating to messages is
now unused.  This change removes that dead code.

BUG= 696019 

Review-Url: https://codereview.chromium.org/2710703006
Cr-Commit-Position: refs/heads/master@{#452983}

[modify] https://crrev.com/ff7311159a7f270b38d2e696bf69ac5ee8da45ee/content/browser/presentation/presentation_service_impl.cc
[modify] https://crrev.com/ff7311159a7f270b38d2e696bf69ac5ee8da45ee/content/browser/presentation/presentation_service_impl.h
[modify] https://crrev.com/ff7311159a7f270b38d2e696bf69ac5ee8da45ee/content/browser/presentation/presentation_service_impl_unittest.cc
[modify] https://crrev.com/ff7311159a7f270b38d2e696bf69ac5ee8da45ee/content/renderer/presentation/presentation_dispatcher_unittest.cc
[modify] https://crrev.com/ff7311159a7f270b38d2e696bf69ac5ee8da45ee/third_party/WebKit/public/platform/modules/presentation/presentation.mojom