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 e4f060c6e3ac848f80704a2ecd71917374b19223..d6c8162750d48bc7d2a81d34d941923fab6167bb 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();
@@ -1622,7 +1622,8 @@ 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);
@@ -1747,7 +1748,8 @@ 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.