Use overloaded operators with QuicTime for addition, subtraction and scalar

net/quic/quic_framer_test.cc

 // Copyright (c) 2012 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_framer.h"
 
 #include <stdint.h>
 
 #include <algorithm>
 #include <map>
@@ skipping 333 matching lines @@
   QuicBlockedFrame blocked_frame_;
   QuicPathCloseFrame path_close_frame_;
   vector<string*> stream_data_;
 };
 
 class QuicFramerTest : public ::testing::TestWithParam<QuicVersion> {
  public:
   QuicFramerTest()
       : encrypter_(new test::TestEncrypter()),
         decrypter_(new test::TestDecrypter()),
-        start_(QuicTime::Zero().Add(QuicTime::Delta::FromMicroseconds(0x10))),
+        start_(QuicTime::Zero() + QuicTime::Delta::FromMicroseconds(0x10)),
         framer_(QuicSupportedVersions(), start_, Perspective::IS_SERVER) {
     version_ = GetParam();
     framer_.set_version(version_);
     framer_.SetDecrypter(ENCRYPTION_NONE, decrypter_);
     framer_.SetEncrypter(ENCRYPTION_NONE, encrypter_);
     framer_.set_visitor(&visitor_);
     framer_.set_received_entropy_calculator(&entropy_calculator_);
   }
 
   // Helper function to get unsigned char representation of digit in the
@@ skipping 6818 matching lines @@
     'o',  ' ',  'w',  'o',
     'r',  'l',  'd',  '!',
   };
   // clang-format on
 
   QuicFramerFuzzFunc(packet, arraysize(packet));
 }
 
 }  // namespace test
 }  // namespace net