message: modify the returned precision of Timer::elapsedMilliseconds and Timer::elapsedSeconds
diff: @@ -45,13 +45,13 @@ class Timer {
  m_bRunning_ = false;
  }
  double elapsedMilliseconds() {
  - return std::chrono::duration_cast<std::chrono::milliseconds>(elapsed()).count();
  + return elapsed().count()/1000.0;
  }
  double elapsedMicroseconds() {
  return elapsed().count();
  }
  double elapsedSeconds() {
  - return std::chrono::duration_cast<std::chrono::seconds>(elapsed()).count();
  + return elapsed().count()/1000000.0;
  }
  private:
  