1 // Copyright 2013 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef BASE_TIMER_ELAPSED_TIMER_H_ 6 #define BASE_TIMER_ELAPSED_TIMER_H_ 7 8 #include "base/base_export.h" 9 #include "base/macros.h" 10 #include "base/time/time.h" 11 12 namespace base { 13 14 // A simple wrapper around TimeTicks::Now(). 15 class BASE_EXPORT ElapsedTimer { 16 public: 17 ElapsedTimer(); 18 19 // Returns the time elapsed since object construction. 20 TimeDelta Elapsed() const; 21 22 private: 23 TimeTicks begin_; 24 25 DISALLOW_COPY_AND_ASSIGN(ElapsedTimer); 26 }; 27 28 } // namespace base 29 30 #endif // BASE_TIMER_ELAPSED_TIMER_H_ 31