Move margin processing code to the browser process.

printing/printing_context_win.cc

Index: printing/printing_context_win.cc
diff --git a/printing/printing_context_win.cc b/printing/printing_context_win.cc
index 3a1da66e8efdac28aafe8b62cd28278862ae3c0d..e7c0f56375efa790bce1f292f87df395d76120b3 100644
--- a/printing/printing_context_win.cc
+++ b/printing/printing_context_win.cc
@@ -383,11 +383,6 @@ PrintingContext::Result PrintingContextWin::UpdatePrinterSettings(
     return OK;
   }
 
-  // Underlying |settings_| do not have these attributes, so we need to
-  // operate on printer directly, which involves reloading settings.
-  // Therefore, reset the settings anyway.
-  ResetSettings();
-
   HANDLE printer;
   LPWSTR device_name_wide = const_cast<wchar_t*>(device_name.c_str());
   if (!OpenPrinter(device_name_wide, &printer, NULL))