Print Preview: Making margin selection sticky (part 2/2)

printing/page_size_margins.h

 // Copyright (c) 2011 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_PAGE_SIZE_MARGINS_H_
 #define PRINTING_PAGE_SIZE_MARGINS_H_
 
+namespace base {
+class DictionaryValue;
+}
+
 namespace printing {
 
 // Struct that holds margin and content area sizes of a page. Units are
 // arbitrary and can be chosen by the programmer.
 struct PageSizeMargins {
   double content_width;
   double content_height;
   double margin_top;
   double margin_right;
   double margin_bottom;
   double margin_left;
 };
 
+void extractPageSizeMargins(const base::DictionaryValue& settings,
+                            PageSizeMargins* page_size_margins);
+
 }  // namespace printing
 
 #endif  // PRINTING_PAGE_SIZE_MARGINS_H_
-