Added Header and Footer support using Skia

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 PRINTING_UNITS_H_
 #define PRINTING_UNITS_H_
 
+struct PrintMsg_Print_Params;
+
 namespace printing {
 
 // Length of a thousanth of inches in 0.01mm unit.
 const int kHundrethsMMPerInch = 2540;
 
 // Length of an inch in CSS's 1pt unit.
 // http://dev.w3.org/csswg/css3-values/#absolute-length-units-cm-mm.-in-pt-pc
 const int kPointsPerInch = 72;
 
 // Length of an inch in CSS's 1px unit.
@@ skipping 11 matching lines @@
 
 // Converts from 0.00001 meter unit to 0.001 inch.
 int ConvertHundredThousanthMeterToMilliInch(int cmm);
 
 // Converts from 1 pixel to 1 point using integers.
 int ConvertPixelsToPoint(int pixels);
 
 // Converts from 1 pixel to 1 point using doubles.
 double ConvertPixelsToPointDouble(double pixels);
 
+// Converts from 1 point to 1 pixel using doubles.
+double ConvertPointsToPixelDouble(double points);
+
+// Splits the horizontal width equally into segments with an interstice
+// between each segment. Returns the width of a segment.
+double GetSegmentWidth(double page_width);
+
+int GetDPI(const PrintMsg_Print_Params* print_params);

[vandebo (ex-Chrome), 2011/08/11 23:32:13]

const ref?

[Aayush Kumar, 2011/08/12 08:35:40]

I have restored this change since I no longer need it.  Will make the change in
the function header as a separate CL :)

+
 }  // namespace printing
 
 #endif  // PRINTING_UNITS_H_