PrintPreview: Honor the print media page size and margin values.

chrome/renderer/mock_printer.cc

Index: chrome/renderer/mock_printer.cc
diff --git a/chrome/renderer/mock_printer.cc b/chrome/renderer/mock_printer.cc
index 869e742a1423640d660235622deaf83402854136..fa6499ab27172c0cd6935847c92061d4c01630e4 100644
--- a/chrome/renderer/mock_printer.cc
+++ b/chrome/renderer/mock_printer.cc
@@ -40,6 +40,7 @@ MockPrinter::MockPrinter()
     number_pages_(0),
     page_number_(0),
     is_first_request_(true),
+    print_to_pdf_(false),
     preview_request_id_(0),
     display_header_footer_(false),
     date_(ASCIIToUTF16("date")),
@@ -112,6 +113,7 @@ void MockPrinter::ScriptedPrint(int cookie,
   settings->params.page_size = page_size_;
   settings->params.printable_size = printable_size_;
   settings->params.is_first_request = is_first_request_;
+  settings->params.print_to_pdf = print_to_pdf_;
   settings->params.preview_request_id = preview_request_id_;
   settings->params.display_header_footer = display_header_footer_;
   settings->params.date = date_;
@@ -261,6 +263,7 @@ void MockPrinter::SetPrintParams(PrintMsg_Print_Params* params) {
   params->margin_left = margin_left_;
   params->margin_top = margin_top_;
   params->is_first_request = is_first_request_;
+  params->print_to_pdf = print_to_pdf_;
   params->preview_request_id = preview_request_id_;
   params->display_header_footer = display_header_footer_;
   params->date = date_;