Revert of Cleanup: Remove unused PrintSettings shrink factors.

components/printing/test/mock_printer.h

 // Copyright 2014 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 COMPONENTS_PRINTING_TEST_MOCK_PRINTER_H_
 #define COMPONENTS_PRINTING_TEST_MOCK_PRINTER_H_
 
 #include <stdint.h>
 
 #include <string>
@@ skipping 103 matching lines @@
 
   // In pixels according to dpi_x and dpi_y.
   gfx::Size page_size_;
   gfx::Size content_size_;
   int margin_left_;
   int margin_top_;
   gfx::Rect printable_area_;
 
   // Specifies dots per inch.
   double dpi_;
+  double max_shrink_;
+  double min_shrink_;
 
   // Desired apparent dpi on paper.
   int desired_dpi_;
 
   // Print selection.
   bool selection_only_;
 
   // Print css backgrounds.
   bool should_print_backgrounds_;
 
@@ skipping 24 matching lines @@
 
   // Used for generating invalid settings.
   bool use_invalid_settings_;
 
   std::vector<scoped_refptr<MockPrinterPage>> pages_;
 
   DISALLOW_COPY_AND_ASSIGN(MockPrinter);
 };
 
 #endif  // COMPONENTS_PRINTING_TEST_MOCK_PRINTER_H_