Move QuicClock to quic/platform/

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_QUIC_CLOCK_H_
-#define NET_QUIC_QUIC_CLOCK_H_
+#ifndef NET_QUIC_PLATFORM_API_QUIC_CLOCK_H_
+#define NET_QUIC_PLATFORM_API_QUIC_CLOCK_H_
 
 #include "base/macros.h"
 #include "net/base/net_export.h"
 #include "net/quic/core/quic_time.h"
 
 namespace net {
 
 typedef double WallTime;
 
 // Clock to efficiently retrieve an approximately accurate time from an
@@ skipping 17 matching lines @@
   // Converts |walltime| to a QuicTime relative to this clock's epoch.
   virtual QuicTime ConvertWallTimeToQuicTime(
       const QuicWallTime& walltime) const;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(QuicClock);
 };
 
 }  // namespace net
 
-#endif  // NET_QUIC_QUIC_CLOCK_H_
+#endif  // NET_QUIC_PLATFORM_API_QUIC_CLOCK_H_