Revert of Cleanup: Remove unused PrintSettings shrink factors.

components/printing/test/mock_printer.cc

Index: components/printing/test/mock_printer.cc
diff --git a/components/printing/test/mock_printer.cc b/components/printing/test/mock_printer.cc
index 004e008ed41db1c29afee97414e7b22d3ae6c65e..fd0ac7ed2fccbeceba51cfa6bc3afa7fba48c17f 100644
--- a/components/printing/test/mock_printer.cc
+++ b/components/printing/test/mock_printer.cc
@@ -57,6 +57,8 @@
 
 MockPrinter::MockPrinter()
     : dpi_(printing::kPointsPerInch),
+      max_shrink_(2.0),
+      min_shrink_(1.25),
       desired_dpi_(printing::kPointsPerInch),
       selection_only_(false),
       should_print_backgrounds_(false),
@@ -104,6 +106,8 @@
 
 void MockPrinter::SetDefaultPrintSettings(const PrintMsg_Print_Params& params) {
   dpi_ = params.dpi;
+  max_shrink_ = params.max_shrink;
+  min_shrink_ = params.min_shrink;
   desired_dpi_ = params.desired_dpi;
   selection_only_ = params.selection_only;
   should_print_backgrounds_ = params.should_print_backgrounds;
@@ -141,6 +145,8 @@
   settings->Reset();
 
   settings->params.dpi = dpi_;
+  settings->params.max_shrink = max_shrink_;
+  settings->params.min_shrink = min_shrink_;
   settings->params.desired_dpi = desired_dpi_;
   settings->params.selection_only = selection_only_;
   settings->params.should_print_backgrounds = should_print_backgrounds_;
@@ -280,6 +286,8 @@
 
 void MockPrinter::SetPrintParams(PrintMsg_Print_Params* params) {
   params->dpi = dpi_;
+  params->max_shrink = max_shrink_;
+  params->min_shrink = min_shrink_;
   params->desired_dpi = desired_dpi_;
   params->selection_only = selection_only_;
   params->should_print_backgrounds = should_print_backgrounds_;