The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/8b0527c03f250052e4cc41356549279d2ebfce9c

commit 8b0527c03f250052e4cc41356549279d2ebfce9c
Author: watk <watk@chromium.org>
Date: Thu May 12 02:29:21 2016

Remove VideoDecodeAccelerator::SetCdm() and pass the cdm in Initialize()

When SetCdm was written we didn't necessarily have the CDM ID when we called
VDA::Initialize(). Now we do, so we can simplify things by removing SetCdm.

BUG= 610520 

Review-Url: https://codereview.chromium.org/1963903002
Cr-Commit-Position: refs/heads/master@{#393150}

[modify] https://crrev.com/8b0527c03f250052e4cc41356549279d2ebfce9c/media/filters/gpu_video_decoder.cc
[modify] https://crrev.com/8b0527c03f250052e4cc41356549279d2ebfce9c/media/gpu/android_video_decode_accelerator.cc
[modify] https://crrev.com/8b0527c03f250052e4cc41356549279d2ebfce9c/media/gpu/android_video_decode_accelerator.h
[modify] https://crrev.com/8b0527c03f250052e4cc41356549279d2ebfce9c/media/gpu/ipc/client/gpu_video_decode_accelerator_host.cc
[modify] https://crrev.com/8b0527c03f250052e4cc41356549279d2ebfce9c/media/gpu/ipc/client/gpu_video_decode_accelerator_host.h
[modify] https://crrev.com/8b0527c03f250052e4cc41356549279d2ebfce9c/media/gpu/ipc/common/media_param_traits_macros.h
[modify] https://crrev.com/8b0527c03f250052e4cc41356549279d2ebfce9c/media/gpu/ipc/service/gpu_video_decode_accelerator.cc
[modify] https://crrev.com/8b0527c03f250052e4cc41356549279d2ebfce9c/media/gpu/ipc/service/gpu_video_decode_accelerator.h
[modify] https://crrev.com/8b0527c03f250052e4cc41356549279d2ebfce9c/media/video/video_decode_accelerator.cc
[modify] https://crrev.com/8b0527c03f250052e4cc41356549279d2ebfce9c/media/video/video_decode_accelerator.h