Coalesce small buffers in net::BidirectionalStream

components/cronet/ios/cronet_bidirectional_stream.cc

Index: components/cronet/ios/cronet_bidirectional_stream.cc
diff --git a/components/cronet/ios/cronet_bidirectional_stream.cc b/components/cronet/ios/cronet_bidirectional_stream.cc
index fe6295bd2b22c4d59bed25b4792d32673b962825..0832540a1cf229b687cfd99d0e14d59bfd072eb5 100644
--- a/components/cronet/ios/cronet_bidirectional_stream.cc
+++ b/components/cronet/ios/cronet_bidirectional_stream.cc
@@ -113,13 +113,13 @@ void CronetBidirectionalStream::Destroy() {
                             base::Unretained(this)));
 }
 
-void CronetBidirectionalStream::OnHeadersSent() {
+void CronetBidirectionalStream::OnStreamReady() {
   DCHECK(environment_->IsOnNetworkThread());
   DCHECK(write_state_ == STARTED);
   write_state_ = WAITING_FOR_WRITE;
   if (write_end_of_stream_)
     write_state_ = WRITING_DONE;
-  delegate_->OnHeadersSent();
+  delegate_->OnStreamReady();
 }
 
 void CronetBidirectionalStream::OnHeadersReceived(