Explain the reason why we don't have thread check in destructor of ByteStreamReader/WriterImpl

content/browser/byte_stream.cc

Index: content/browser/byte_stream.cc
diff --git a/content/browser/byte_stream.cc b/content/browser/byte_stream.cc
index 7b0f9fb0f9a792d5e1b6c21714879fba80743115..0cd3cd8c1b21e7e3385de13aeecaa62d94705c65 100644
--- a/content/browser/byte_stream.cc
+++ b/content/browser/byte_stream.cc
@@ -194,6 +194,9 @@ ByteStreamWriterImpl::ByteStreamWriterImpl(
 }
 
 ByteStreamWriterImpl::~ByteStreamWriterImpl() {
+  // No RunsTasksOnCurrentThread() check to allow deleting a created writer
+  // before we start using it. Once started, should be deleted on the specified
+  // task runner.
   my_lifetime_flag_->is_alive = false;
 }
 
@@ -323,6 +326,9 @@ ByteStreamReaderImpl::ByteStreamReaderImpl(
 }
 
 ByteStreamReaderImpl::~ByteStreamReaderImpl() {
+  // No RunsTasksOnCurrentThread() check to allow deleting a created writer
+  // before we start using it. Once started, should be deleted on the specified
+  // task runner.
   my_lifetime_flag_->is_alive = false;
 }