Fix stream errors that occur after a stream starts not propagating.

content/browser/streams/stream.cc

Index: content/browser/streams/stream.cc
diff --git a/content/browser/streams/stream.cc b/content/browser/streams/stream.cc
index d4e772755c61f815ed2e78546a4b13cf96eb430f..1714876b890c8d7194cba0f5fdeae36b148792e1 100644
--- a/content/browser/streams/stream.cc
+++ b/content/browser/streams/stream.cc
@@ -118,11 +118,11 @@ void Stream::Flush() {
   writer_->Flush();
 }
 
-void Stream::Finalize() {
+void Stream::Finalize(int status) {
   if (!writer_.get())
     return;
 
-  writer_->Close(0);
+  writer_->Close(status);
   writer_.reset();
 
   // Continue asynchronously.
@@ -187,6 +187,10 @@ void Stream::CloseHandle() {
     write_observer_->OnClose(this);
 }
 
+int Stream::GetStatus() {
+  return reader_->GetStatus();
+}
+
 void Stream::OnSpaceAvailable() {
   can_add_data_ = true;
   if (write_observer_)