Async frame preparation for Preview with support if selection.

chrome/renderer/mock_printer.h

 // Copyright (c) 2012 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_RENDERER_MOCK_PRINTER_H_
 #define CHROME_RENDERER_MOCK_PRINTER_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 109 matching lines @@
   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_;
+
   // Cookie for the document to ensure correctness.
   int document_cookie_;
   int current_document_cookie_;
 
   // The current status of this printer.
   Status printer_status_;
 
   // The output of a printing job.
   int number_pages_;
   int page_number_;
@@ skipping 15 matching lines @@
 
   // Used for generating invalid settings.
   bool use_invalid_settings_;
 
   std::vector<scoped_refptr<MockPrinterPage> > pages_;
 
   DISALLOW_COPY_AND_ASSIGN(MockPrinter);
 };
 
 #endif  // CHROME_RENDERER_MOCK_PRINTER_H_