Fixed a crash with some HP printer drivers (when invoking PTGetPrintCapabilit...

chrome/service/cloud_print/print_system_win.cc

Index: chrome/service/cloud_print/print_system_win.cc
===================================================================
--- chrome/service/cloud_print/print_system_win.cc	(revision 70422)
+++ chrome/service/cloud_print/print_system_win.cc	(working copy)
@@ -383,7 +383,8 @@
           return false;
         }
 
-        if (!printing::XPSModule::Init()) {
+        printing::ScopedXPSInitializer xps_initializer;
+        if (!xps_initializer.initialized()) {
           // TODO(sanjeevr): Handle legacy proxy case (with no prntvpt.dll)
           return false;
         }
@@ -618,7 +619,8 @@
 bool PrintSystemWin::ValidatePrintTicket(
     const std::string& printer_name,
     const std::string& print_ticket_data) {
-  if (!printing::XPSModule::Init()) {
+  printing::ScopedXPSInitializer xps_initializer;
+  if (!xps_initializer.initialized()) {
     // TODO(sanjeevr): Handle legacy proxy case (with no prntvpt.dll)
     return false;
   }