Revert of Check the current thread in AudioManagerBase::MakeAudio{Output,Input}Stream

media/audio/audio_manager_base.cc

Index: media/audio/audio_manager_base.cc
diff --git a/media/audio/audio_manager_base.cc b/media/audio/audio_manager_base.cc
index 622b38f0b429137bef614d980a41f067846565db..8c1dda29f70d474529735256c9c7a6416ba04511 100644
--- a/media/audio/audio_manager_base.cc
+++ b/media/audio/audio_manager_base.cc
@@ -138,7 +138,9 @@
 AudioOutputStream* AudioManagerBase::MakeAudioOutputStream(
     const AudioParameters& params,
     const std::string& device_id) {
-  DCHECK(task_runner_->BelongsToCurrentThread());
+  // TODO(miu): Fix ~50 call points across several unit test modules to call
+  // this method on the audio thread, then uncomment the following:
+  // DCHECK(task_runner_->BelongsToCurrentThread());
 
   if (!params.IsValid()) {
     DLOG(ERROR) << "Audio parameters are invalid";
@@ -185,7 +187,9 @@
 AudioInputStream* AudioManagerBase::MakeAudioInputStream(
     const AudioParameters& params,
     const std::string& device_id) {
-  DCHECK(task_runner_->BelongsToCurrentThread());
+  // TODO(miu): Fix ~20 call points across several unit test modules to call
+  // this method on the audio thread, then uncomment the following:
+  // DCHECK(task_runner_->BelongsToCurrentThread());
 
   if (!params.IsValid() || (params.channels() > kMaxInputChannels) ||
       device_id.empty()) {