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

media/gpu/ipc/client/gpu_video_decode_accelerator_host.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef MEDIA_GPU_IPC_CLIENT_GPU_VIDEO_DECODE_ACCELERATOR_HOST_H_
 #define MEDIA_GPU_IPC_CLIENT_GPU_VIDEO_DECODE_ACCELERATOR_HOST_H_
 
 #include <stdint.h>
 
 #include <vector>
@@ skipping 22 matching lines @@
  public:
   // |this| is guaranteed not to outlive |impl|.  (See comments for |impl_|.)
   explicit GpuVideoDecodeAcceleratorHost(gpu::CommandBufferProxyImpl* impl);
 
   // IPC::Listener implementation.
   void OnChannelError() override;
   bool OnMessageReceived(const IPC::Message& message) override;
 
   // VideoDecodeAccelerator implementation.
   bool Initialize(const Config& config, Client* client) override;
-  void SetCdm(int cdm_id) override;
   void Decode(const BitstreamBuffer& bitstream_buffer) override;
   void AssignPictureBuffers(const std::vector<PictureBuffer>& buffers) override;
   void ReusePictureBuffer(int32_t picture_buffer_id) override;
   void Flush() override;
   void Reset() override;
   void Destroy() override;
 
   // gpu::CommandBufferProxyImpl::DeletionObserver implemetnation.
   void OnWillDeleteImpl() override;
 
@@ skipping 42 matching lines @@
 
   // WeakPtr factory for posting tasks back to itself.
   base::WeakPtrFactory<GpuVideoDecodeAcceleratorHost> weak_this_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(GpuVideoDecodeAcceleratorHost);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_GPU_IPC_CLIENT_GPU_VIDEO_DECODE_ACCELERATOR_HOST_H_