media: Remove SetCdmReadyCB and CdmReadyCB (part 1).

media/filters/vpx_video_decoder.cc

 // 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.
 
 #include "media/filters/vpx_video_decoder.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
@@ skipping 357 matching lines @@
   // Ensure CloseDecoder() released the offload thread.
   DCHECK(!offload_task_runner_);
 }
 
 std::string VpxVideoDecoder::GetDisplayName() const {
   return "VpxVideoDecoder";
 }
 
 void VpxVideoDecoder::Initialize(const VideoDecoderConfig& config,
                                  bool /* low_delay */,
-                                 const SetCdmReadyCB& /* set_cdm_ready_cb */,
+                                 CdmContext* /* cdm_context */,
                                  const InitCB& init_cb,
                                  const OutputCB& output_cb) {
   DCHECK(thread_checker_.CalledOnValidThread());
   DCHECK(config.IsValidConfig());
 
   InitCB bound_init_cb = BindToCurrentLoop(init_cb);
 
   if (config.is_encrypted() || !ConfigureDecoder(config)) {
     bound_init_cb.Run(false);
     return;
@@ skipping 336 matching lines @@
       (*video_frame)->visible_data(VideoFrame::kUPlane),
       (*video_frame)->stride(VideoFrame::kUPlane),
       (*video_frame)->visible_data(VideoFrame::kVPlane),
       (*video_frame)->stride(VideoFrame::kVPlane), coded_size.width(),
       coded_size.height());
 
   return true;
 }
 
 }  // namespace media