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

chrome/service/cloud_print/print_system_win.cc

 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/service/cloud_print/print_system.h"
 
 #include <objidl.h>
 #include <winspool.h>
 
 #include "base/file_path.h"
@@ skipping 365 matching lines @@
           NOTREACHED();
           return false;
         }
         last_page_printed_ = -1;
         // We only support PDFs for now.
         if (print_data_mime_type != "application/pdf") {
           NOTREACHED();
           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;
         }
         DevMode pt_dev_mode;
         HRESULT hr = PrintTicketToDevMode(printer_name, print_ticket,
                                           &pt_dev_mode);
         if (FAILED(hr)) {
           NOTREACHED();
           return false;
         }
@@ skipping 214 matching lines @@
   handler->Start();
 }
 
 bool PrintSystemWin::IsValidPrinter(const std::string& printer_name) {
   return print_backend_->IsValidPrinter(printer_name);
 }
 
 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;
   }
   bool ret = false;
   HPTPROVIDER provider = NULL;
   printing::XPSModule::OpenProvider(UTF8ToWide(printer_name.c_str()),
                                     1,
                                     &provider);
   if (provider) {
     ScopedComPtr<IStream> print_ticket_stream;
@@ skipping 94 matching lines @@
   RpcStringFree(reinterpret_cast<RPC_WSTR *>(&proxy_id_as_string));
   return ret;
 }
 
 scoped_refptr<PrintSystem> PrintSystem::CreateInstance(
     const DictionaryValue* print_system_settings) {
   return new PrintSystemWin;
 }
 
 }  // namespace cloud_print