media: Pass SetCdmReadyCB in {Audio|Video}Decoder::Initialize().

media/filters/decrypting_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/decrypting_video_decoder.h"
 
 #include "base/bind.h"
 #include "base/callback_helpers.h"
 #include "base/location.h"
 #include "base/logging.h"
 #include "base/single_thread_task_runner.h"
 #include "base/trace_event/trace_event.h"
 #include "media/base/bind_to_current_loop.h"
 #include "media/base/decoder_buffer.h"
 #include "media/base/media_log.h"
 #include "media/base/pipeline.h"
 #include "media/base/video_frame.h"
 
 namespace media {
 
 const char DecryptingVideoDecoder::kDecoderName[] = "DecryptingVideoDecoder";
 
 DecryptingVideoDecoder::DecryptingVideoDecoder(
     const scoped_refptr<base::SingleThreadTaskRunner>& task_runner,
     const scoped_refptr<MediaLog>& media_log,
-    const SetCdmReadyCB& set_cdm_ready_cb,
     const base::Closure& waiting_for_decryption_key_cb)
     : task_runner_(task_runner),
       media_log_(media_log),
       state_(kUninitialized),
       waiting_for_decryption_key_cb_(waiting_for_decryption_key_cb),
-      set_cdm_ready_cb_(set_cdm_ready_cb),
       decryptor_(NULL),
       key_added_while_decode_pending_(false),
       trace_id_(0),
       weak_factory_(this) {}
 
 std::string DecryptingVideoDecoder::GetDisplayName() const {
   return kDecoderName;
 }
 
 void DecryptingVideoDecoder::Initialize(const VideoDecoderConfig& config,
                                         bool /* low_delay */,
+                                        const SetCdmReadyCB& set_cdm_ready_cb,
                                         const InitCB& init_cb,
                                         const OutputCB& output_cb) {
   DVLOG(2) << "Initialize()";
   DCHECK(task_runner_->BelongsToCurrentThread());
   DCHECK(state_ == kUninitialized ||
          state_ == kIdle ||
          state_ == kDecodeFinished) << state_;
   DCHECK(decode_cb_.is_null());
   DCHECK(reset_cb_.is_null());
   DCHECK(config.IsValidConfig());
   DCHECK(config.is_encrypted());
 
   init_cb_ = BindToCurrentLoop(init_cb);
   output_cb_ = BindToCurrentLoop(output_cb);
   weak_this_ = weak_factory_.GetWeakPtr();
   config_ = config;
 
   if (state_ == kUninitialized) {
+    DCHECK(!set_cdm_ready_cb.is_null());
     state_ = kDecryptorRequested;
+    set_cdm_ready_cb_ = set_cdm_ready_cb;
     set_cdm_ready_cb_.Run(BindToCurrentLoop(
         base::Bind(&DecryptingVideoDecoder::SetCdm, weak_this_)));
     return;
   }
 
   // Reinitialization.
   decryptor_->DeinitializeDecoder(Decryptor::kVideo);
   state_ = kPendingDecoderInit;
   decryptor_->InitializeVideoDecoder(config, BindToCurrentLoop(base::Bind(
       &DecryptingVideoDecoder::FinishInitialization, weak_this_)));
@@ skipping 250 matching lines @@
 }
 
 void DecryptingVideoDecoder::DoReset() {
   DCHECK(init_cb_.is_null());
   DCHECK(decode_cb_.is_null());
   state_ = kIdle;
   base::ResetAndReturn(&reset_cb_).Run();
 }
 
 }  // namespace media