Add a new histogram Net.QuicSession.HeadersStreamEarlyFramesReceived

net/quic/quic_connection_logger_unittest.cc

 // Copyright 2014 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.
 
 #include "net/quic/quic_connection_logger.h"
 
 #include "net/quic/quic_protocol.h"
+#include "net/quic/test_tools/quic_test_utils.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace net {
 namespace test {
 
 class QuicConnectionLoggerPeer {
  public:
   static size_t num_truncated_acks_sent(const QuicConnectionLogger& logger) {
     return logger.num_truncated_acks_sent_;
   }
 };
 
 class QuicConnectionLoggerTest : public ::testing::Test {
  protected:
-  QuicConnectionLoggerTest() : logger_(nullptr, net_log_) {}
+  QuicConnectionLoggerTest()
+      : session_(new MockConnection(false)), logger_(&session_, net_log_) {}
 
   BoundNetLog net_log_;
+  MockSession session_;
   QuicConnectionLogger logger_;
 };
 
 TEST_F(QuicConnectionLoggerTest, TruncatedAcksSentNotChanged) {
   QuicAckFrame frame;
   logger_.OnFrameAddedToPacket(QuicFrame(&frame));
   EXPECT_EQ(0u, QuicConnectionLoggerPeer::num_truncated_acks_sent(logger_));
 
   for (QuicPacketSequenceNumber i = 0; i < 256; ++i) {
     frame.missing_packets.insert(i);
   }
   logger_.OnFrameAddedToPacket(QuicFrame(&frame));
   EXPECT_EQ(0u, QuicConnectionLoggerPeer::num_truncated_acks_sent(logger_));
 }
 
 TEST_F(QuicConnectionLoggerTest, TruncatedAcksSent) {
   QuicAckFrame frame;
   for (QuicPacketSequenceNumber i = 0; i < 512; i += 2) {
     frame.missing_packets.insert(i);
   }
   logger_.OnFrameAddedToPacket(QuicFrame(&frame));
   EXPECT_EQ(1u, QuicConnectionLoggerPeer::num_truncated_acks_sent(logger_));
 }
 
 }  // namespace test
 }  // namespace net