Pass QuicInMemoryCache directly instead of using a singleton.

net/tools/quic/quic_simple_server_test.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/tools/quic/quic_simple_server.h"
 
 #include "net/quic/core/crypto/quic_random.h"
 #include "net/quic/core/quic_crypto_stream.h"
 #include "net/quic/core/quic_utils.h"
 #include "net/quic/test_tools/crypto_test_utils.h"
@@ skipping 17 matching lines @@
                        CryptoTestUtils::ProofSourceForTesting()),
         version_manager_(AllSupportedVersions()),
         dispatcher_(
             config_,
             &crypto_config_,
             &version_manager_,
             std::unique_ptr<MockQuicConnectionHelper>(
                 new net::test::MockQuicConnectionHelper),
             std::unique_ptr<QuicCryptoServerStream::Helper>(
                 new QuicSimpleServerSessionHelper(QuicRandom::GetInstance())),
-            std::unique_ptr<MockAlarmFactory>(
-                new net::test::MockAlarmFactory)) {
+            std::unique_ptr<MockAlarmFactory>(new net::test::MockAlarmFactory),
+            &in_memory_cache_) {
     dispatcher_.InitializeWithWriter(nullptr);
   }
 
   void DispatchPacket(const QuicReceivedPacket& packet) {
     IPEndPoint client_addr, server_addr;
     dispatcher_.ProcessPacket(
         QuicSocketAddress(QuicSocketAddressImpl(server_addr)),
         QuicSocketAddress(QuicSocketAddressImpl(client_addr)), packet);
   }
 
  protected:
   QuicConfig config_;
   QuicCryptoServerConfig crypto_config_;
   QuicVersionManager version_manager_;
   net::test::MockQuicDispatcher dispatcher_;
+  QuicInMemoryCache in_memory_cache_;
 };
 
 TEST_F(QuicChromeServerDispatchPacketTest, DispatchPacket) {
   unsigned char valid_packet[] = {// public flags (8 byte connection_id)
                                   0x3C,
                                   // connection_id
                                   0x10, 0x32, 0x54, 0x76, 0x98, 0xBA, 0xDC,
                                   0xFE,
                                   // packet sequence number
                                   0xBC, 0x9A, 0x78, 0x56, 0x34, 0x12,
                                   // private flags
                                   0x00};
   QuicReceivedPacket encrypted_valid_packet(
       reinterpret_cast<char*>(valid_packet), arraysize(valid_packet),
       QuicTime::Zero(), false);
 
   EXPECT_CALL(dispatcher_, ProcessPacket(_, _, _)).Times(1);
   DispatchPacket(encrypted_valid_packet);
 }
 
 }  // namespace test
 }  // namespace net