The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/34a31a9a833423694d567a9de9d0214d0c25aaa1

commit 34a31a9a833423694d567a9de9d0214d0c25aaa1
Author: jrummell <jrummell@chromium.org>
Date: Wed Mar 15 01:18:52 2017

Change MojoDecryptorService to take a Decryptor

There is no need for MojoDecryptorService to take a reference to a
ContentDecryptionModule as the creator of the service already owns the CDM
and can control the lifetime of both objects. It cleans up the interface as
now the service simply implements the mojo interface on top of the actual
Decryptor.

BUG= 701107 
TEST=mojo_decryptor tests pass

Review-Url: https://codereview.chromium.org/2752653002
Cr-Commit-Position: refs/heads/master@{#456935}

[modify] https://crrev.com/34a31a9a833423694d567a9de9d0214d0c25aaa1/media/mojo/clients/mojo_decryptor_unittest.cc
[modify] https://crrev.com/34a31a9a833423694d567a9de9d0214d0c25aaa1/media/mojo/services/mojo_cdm_service.cc
[modify] https://crrev.com/34a31a9a833423694d567a9de9d0214d0c25aaa1/media/mojo/services/mojo_cdm_service.h
[modify] https://crrev.com/34a31a9a833423694d567a9de9d0214d0c25aaa1/media/mojo/services/mojo_decryptor_service.cc
[modify] https://crrev.com/34a31a9a833423694d567a9de9d0214d0c25aaa1/media/mojo/services/mojo_decryptor_service.h