Decryptors can report kNoKey to WebMediaPlayer

media/filters/ffmpeg_audio_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/ffmpeg_audio_decoder.h"
 
 #include "base/callback_helpers.h"
 #include "base/single_thread_task_runner.h"
 #include "media/base/audio_buffer.h"
 #include "media/base/audio_bus.h"
@@ skipping 129 matching lines @@
   if (state_ != kUninitialized) {
     ReleaseFFmpegResources();
     ResetTimestampState();
   }
 }
 
 std::string FFmpegAudioDecoder::GetDisplayName() const {
   return "FFmpegAudioDecoder";
 }
 
-void FFmpegAudioDecoder::Initialize(const AudioDecoderConfig& config,
-                                    const PipelineStatusCB& status_cb,
-                                    const OutputCB& output_cb) {
+void FFmpegAudioDecoder::Initialize(
+    const AudioDecoderConfig& config,
+    const PipelineStatusCB& status_cb,
+    const OutputCB& output_cb,
+    const base::Closure& /* waiting_for_encryption_key_cb */) {
   DCHECK(task_runner_->BelongsToCurrentThread());
   DCHECK(!config.is_encrypted());
 
   FFmpegGlue::InitializeFFmpeg();
 
   config_ = config;
   PipelineStatusCB initialize_cb = BindToCurrentLoop(status_cb);
 
   if (!config.IsValidConfig() || !ConfigureDecoder()) {
     initialize_cb.Run(DECODER_ERROR_NOT_SUPPORTED);
@@ skipping 225 matching lines @@
 
   ResetTimestampState();
   return true;
 }
 
 void FFmpegAudioDecoder::ResetTimestampState() {
   discard_helper_->Reset(config_.codec_delay());
 }
 
 }  // namespace media