Coalesce small buffers in net::BidirectionalStream

net/http/http_stream_factory_impl_unittest.cc

Index: net/http/http_stream_factory_impl_unittest.cc
diff --git a/net/http/http_stream_factory_impl_unittest.cc b/net/http/http_stream_factory_impl_unittest.cc
index f95ea511fa3a17985f9b717ea06375915ddd33c2..c7b0be7f6dcb699e7b1319cf0c6810c476b3f3f7 100644
--- a/net/http/http_stream_factory_impl_unittest.cc
+++ b/net/http/http_stream_factory_impl_unittest.cc
@@ -747,7 +747,7 @@ class TestBidirectionalDelegate : public BidirectionalStreamImpl::Delegate {
   const SpdyHeaderBlock& response_headers() const { return response_headers_; }
 
  private:
-  void OnHeadersSent() override {}
+  void OnStreamReady() override {}
   void OnHeadersReceived(const SpdyHeaderBlock& response_headers) override {
     response_headers_ = response_headers;
     loop_.Quit();
@@ -1649,7 +1649,8 @@ TEST_P(HttpStreamFactoryBidirectionalQuicTest,
   bidi_request_info.priority = LOWEST;
 
   TestBidirectionalDelegate delegate;
-  stream_impl->Start(&bidi_request_info, BoundNetLog(), &delegate, nullptr);
+  stream_impl->Start(&bidi_request_info, BoundNetLog(), false, &delegate,
+                     nullptr);
   delegate.WaitUntilDone();
 
   scoped_refptr<IOBuffer> buffer = new net::IOBuffer(1);
@@ -1774,7 +1775,8 @@ TEST_P(HttpStreamFactoryBidirectionalQuicTest,
   bidi_request_info.priority = LOWEST;
 
   TestBidirectionalDelegate delegate;
-  stream_impl->Start(&bidi_request_info, BoundNetLog(), &delegate, nullptr);
+  stream_impl->Start(&bidi_request_info, BoundNetLog(), false, &delegate,
+                     nullptr);
   delegate.WaitUntilDone();
 
   // Make sure the BidirectionalStream negotiated goes through QUIC.