[Print Preview] Modified PrepareFrameAndViewPrint class to call the new printBegin function to supp…

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_
 #pragma once
 
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/string16.h"
 #include "printing/image.h"
+#include "third_party/WebKit/Source/WebKit/chromium/public/WebPrintScalingOption.h"
 #include "ui/gfx/rect.h"
 #include "ui/gfx/size.h"
 
 struct PrintMsg_Print_Params;
 struct PrintMsg_PrintPages_Params;
 struct PrintHostMsg_DidPrintPage_Params;
 
 // A class which represents an output page used in the MockPrinter class.
 // The MockPrinter class stores output pages in a vector, so, this class
 // inherits the base::RefCounted<> class so that the MockPrinter class can use
@@ skipping 109 matching lines @@
 
   // The output of a printing job.
   int number_pages_;
   int page_number_;
 
   // Used only in the preview sequence.
   bool is_first_request_;
   bool print_to_pdf_;
   int preview_request_id_;
 
-  // True if we want to fit the html/pdf source to paper size.
-  bool fit_to_paper_size_;
+  // Specifies whether to retain/crop/scale source page size to fit the
+  // given printable area.
+  WebKit::WebPrintScalingOption print_scaling_option_;
 
   // Used for displaying headers and footers.
   bool display_header_footer_;
   string16 date_;
   string16 title_;
   string16 url_;
 
   // 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_