Move units to new module printing.

chrome/browser/printing/units.h

-// 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.
-
-#ifndef CHROME_BROWSER_PRINTING_UNITS_H__
-#define CHROME_BROWSER_PRINTING_UNITS_H__
-
-namespace printing {
-
-// Length of a thousanth of inches in 0.01mm unit.
-const int kHundrethsMMPerInch = 2540;
-
-// Converts from one unit system to another using integer arithmetics.
-int ConvertUnit(int value, int old_unit, int new_unit);
-
-// Converts from one unit system to another using doubles.
-double ConvertUnitDouble(double value, double old_unit, double new_unit);
-
-// Converts from 0.001 inch unit to 0.00001 meter.
-int ConvertMilliInchToHundredThousanthMeter(int milli_inch);
-
-// Converts from 0.00001 meter unit to 0.001 inch.
-int ConvertHundredThousanthMeterToMilliInch(int cmm);
-
-}  // namespace printing
-
-#endif  // CHROME_BROWSER_PRINTING_UNITS_H__
-