Use clock_gettime instead of base::TimeTicks::Now() in QUIC

net/quic/platform/api/quic_clock.h

 // 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.
 
 #ifndef NET_QUIC_PLATFORM_API_QUIC_CLOCK_H_
 #define NET_QUIC_PLATFORM_API_QUIC_CLOCK_H_
 
 #include "net/quic/core/quic_time.h"
 #include "net/quic/platform/api/quic_export.h"
 
@@ skipping 15 matching lines @@
   // Note: this use significant resources please use only if needed.
   virtual QuicTime Now() const = 0;
 
   // WallNow returns the current wall-time - a time that is consistent across
   // different clocks.
   virtual QuicWallTime WallNow() const = 0;
 
   // Converts |walltime| to a QuicTime relative to this clock's epoch.
   virtual QuicTime ConvertWallTimeToQuicTime(
       const QuicWallTime& walltime) const;
+
+ protected:
+  // Creates a new QuicTime using |time_us| as the internal value.
+  QuicTime CreateTimeFromMicroseconds(uint64_t time_us) const {
+    return QuicTime(time_us);
+  }
 };
 
 }  // namespace net
 
 #endif  // NET_QUIC_PLATFORM_API_QUIC_CLOCK_H_