Coalesce small buffers in net::BidirectionalStream

net/quic/test_tools/quic_test_packet_maker.h

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 //
 // Provides a simple interface for QUIC tests to create a variety of packets.
 
 #ifndef NET_QUIC_TEST_TOOLS_QUIC_TEST_PACKET_MAKER_H_
 #define NET_QUIC_TEST_TOOLS_QUIC_TEST_PACKET_MAKER_H_
 
 #include <stddef.h>
@@ skipping 66 matching lines @@
       QuicPacketNumber largest_received,
       QuicPacketNumber ack_least_unacked,
       QuicPacketNumber stop_least_unacked,
       bool send_feedback);
   scoped_ptr<QuicReceivedPacket> MakeDataPacket(QuicPacketNumber packet_number,
                                                 QuicStreamId stream_id,
                                                 bool should_include_version,
                                                 bool fin,
                                                 QuicStreamOffset offset,
                                                 base::StringPiece data);
+  scoped_ptr<QuicReceivedPacket> MakeMultipleDataFramesPacket(
+      QuicPacketNumber packet_number,
+      QuicStreamId stream_id,
+      bool should_include_version,
+      bool fin,
+      QuicStreamOffset offset,
+      const std::vector<std::string>& data_writes);
   scoped_ptr<QuicReceivedPacket> MakeAckAndDataPacket(
       QuicPacketNumber packet_number,
       bool include_version,
       QuicStreamId stream_id,
       QuicPacketNumber largest_received,
       QuicPacketNumber least_unacked,
       bool fin,
       QuicStreamOffset offset,
       base::StringPiece data);
 
+  scoped_ptr<QuicReceivedPacket> MakeRequestHeadersAndMultipleDataFramesPacket(
+      QuicPacketNumber packet_number,
+      QuicStreamId stream_id,
+      bool should_include_version,
+      bool fin,
+      SpdyPriority priority,
+      const SpdyHeaderBlock& headers,
+      size_t* spdy_headers_frame_length,
+      const std::vector<std::string>& data_writes);
+
   // If |spdy_headers_frame_length| is non-null, it will be set to the size of
   // the SPDY headers frame created for this packet.
   scoped_ptr<QuicReceivedPacket> MakeRequestHeadersPacket(
       QuicPacketNumber packet_number,
       QuicStreamId stream_id,
       bool should_include_version,
       bool fin,
       SpdyPriority priority,
       const SpdyHeaderBlock& headers,
       size_t* spdy_headers_frame_length);
@@ skipping 56 matching lines @@
   SpdyHeaderBlock GetResponseHeaders(const std::string& status,
                                      const std::string& alt_svc);
 
  private:
   scoped_ptr<QuicReceivedPacket> MakePacket(const QuicPacketHeader& header,
                                             const QuicFrame& frame);
   scoped_ptr<QuicReceivedPacket> MakeMultipleFramesPacket(
       const QuicPacketHeader& header,
       const QuicFrames& frames);
 
+  // Each of |data_writes| will be made into a data frame.
+  QuicFrames MakeMultipleDataFrames(
+      QuicStreamId stream_id,
+      bool fin,
+      QuicStreamOffset offset,
+      const std::vector<std::string>& data_writes);
+
   void InitializeHeader(QuicPacketNumber packet_number,
                         bool should_include_version);
 
   QuicVersion version_;
   QuicConnectionId connection_id_;
   MockClock* clock_;  // Owned by QuicStreamFactory.
   std::string host_;
   SpdyFramer spdy_request_framer_;
   SpdyFramer spdy_response_framer_;
   MockRandom random_generator_;
   QuicPacketHeader header_;
 
   DISALLOW_COPY_AND_ASSIGN(QuicTestPacketMaker);
 };
 
 }  // namespace test
 }  // namespace net
 
 #endif  // NET_QUIC_TEST_TOOLS_QUIC_TEST_PACKET_MAKER_H_