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

media/gpu/ipc/client/gpu_video_decode_accelerator_host.cc

Index: media/gpu/ipc/client/gpu_video_decode_accelerator_host.cc
diff --git a/media/gpu/ipc/client/gpu_video_decode_accelerator_host.cc b/media/gpu/ipc/client/gpu_video_decode_accelerator_host.cc
index 2c6b087e86893035e32e259bae096bcaed0d94e4..21db17056d871098e1ddd8f81498b0b15e10d41b 100644
--- a/media/gpu/ipc/client/gpu_video_decode_accelerator_host.cc
+++ b/media/gpu/ipc/client/gpu_video_decode_accelerator_host.cc
@@ -100,13 +100,6 @@ bool GpuVideoDecodeAcceleratorHost::Initialize(const Config& config,
   return true;
 }
 
-void GpuVideoDecodeAcceleratorHost::SetCdm(int cdm_id) {
-  DCHECK(CalledOnValidThread());
-  if (!channel_)
-    return;
-  Send(new AcceleratedVideoDecoderMsg_SetCdm(decoder_route_id_, cdm_id));
-}
-
 void GpuVideoDecodeAcceleratorHost::Decode(
     const BitstreamBuffer& bitstream_buffer) {
   DCHECK(CalledOnValidThread());