Fix print preview workflow to reflect settings of selected printer.

chrome/renderer/mock_printer.h

Index: chrome/renderer/mock_printer.h
diff --git a/chrome/renderer/mock_printer.h b/chrome/renderer/mock_printer.h
index b9d68469ee0e5c82a886451dc174ec49b15eb192..f1fc26cbcc7b609b6e319f8ca81e6f0012147784 100644
--- a/chrome/renderer/mock_printer.h
+++ b/chrome/renderer/mock_printer.h
@@ -77,7 +77,7 @@ class MockPrinter {
                      int expected_pages_count,
                      bool has_selection,
                      PrintMsg_PrintPages_Params* settings);
-  void UpdateSettings(int cookie, PrintMsg_PrintPages_Params* params,
+  void UpdateSettings(PrintMsg_PrintPages_Params* params,
                       const std::vector<int>& page_range_array);
   void SetPrintedPagesCount(int cookie, int number_pages);
   void PrintPage(const PrintHostMsg_DidPrintPage_Params& params);