Move units to new module printing.

chrome/browser/printing/units.cc

-// Copyright (c) 2006-2008 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 "chrome/browser/printing/units.h"
-
-#include "base/logging.h"
-
-namespace printing {
-
-int ConvertUnit(int value, int old_unit, int new_unit) {
-  DCHECK_GT(new_unit, 0);
-  DCHECK_GT(old_unit, 0);
-  // With integer arithmetic, to divide a value with correct rounding, you need
-  // to add half of the divisor value to the dividend value. You need to do the
-  // reverse with negative number.
-  if (value >= 0) {
-    return ((value * new_unit) + (old_unit / 2)) / old_unit;
-  } else {
-    return ((value * new_unit) - (old_unit / 2)) / old_unit;
-  }
-}
-
-double ConvertUnitDouble(double value, double old_unit, double new_unit) {
-  DCHECK_GT(new_unit, 0);
-  DCHECK_GT(old_unit, 0);
-  return value * new_unit / old_unit;
-}
-
-int ConvertMilliInchToHundredThousanthMeter(int milli_inch) {
-  // 1" == 25.4 mm
-  // 1" == 25400 um
-  // 0.001" == 25.4 um
-  // 0.001" == 2.54 cmm
-  return ConvertUnit(milli_inch, 100, 254);
-}
-
-int ConvertHundredThousanthMeterToMilliInch(int cmm) {
-  return ConvertUnit(cmm, 254, 100);
-}
-
-}  // namespace printing
-