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

media/gpu/ipc/service/gpu_video_decode_accelerator.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_SERVICE_GPU_VIDEO_DECODE_ACCELERATOR_H_
 #define MEDIA_GPU_IPC_SERVICE_GPU_VIDEO_DECODE_ACCELERATOR_H_
 
 #include <stdint.h>
 
 #include <map>
@@ skipping 68 matching lines @@
   // chosen VDA can decode on IO thread.
   bool Initialize(const media::VideoDecodeAccelerator::Config& config);
 
  private:
   class MessageFilter;
 
   // We only allow self-delete, from OnWillDestroyStub(), after cleanup there.
   ~GpuVideoDecodeAccelerator() override;
 
   // Handlers for IPC messages.
-  void OnSetCdm(int cdm_id);
   void OnDecode(const media::BitstreamBuffer& bitstream_buffer);
   void OnAssignPictureBuffers(
       const std::vector<int32_t>& buffer_ids,
       const std::vector<media::PictureBuffer::TextureIds>& texture_ids);
   void OnReusePictureBuffer(int32_t picture_buffer_id);
   void OnFlush();
   void OnReset();
   void OnDestroy();
 
   // Called on IO thread when |filter_| has been removed.
@@ skipping 60 matching lines @@
   // cleared.
   std::map<int32_t, std::vector<scoped_refptr<gpu::gles2::TextureRef>>>
       uncleared_textures_;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(GpuVideoDecodeAccelerator);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_GPU_IPC_SERVICE_GPU_VIDEO_DECODE_ACCELERATOR_H_