Remove implicit HANDLE conversions from printing.

printing/backend/print_backend_win.cc

Index: printing/backend/print_backend_win.cc
diff --git a/printing/backend/print_backend_win.cc b/printing/backend/print_backend_win.cc
index d56ee60e312a813fb31de080b9253d4141144d3f..6c6bd69b9bee7426df7bbe42bb6a97f26c58e794 100644
--- a/printing/backend/print_backend_win.cc
+++ b/printing/backend/print_backend_win.cc
@@ -197,7 +197,7 @@ bool PrintBackendWin::EnumeratePrinters(PrinterList* printer_list) {
     ScopedPrinterHandle printer;
     PrinterBasicInfo info;
     if (printer.OpenPrinter(printer_info[index].pPrinterName) &&
-        InitBasicPrinterInfo(printer, &info)) {
+        InitBasicPrinterInfo(printer.Get(), &info)) {
       info.is_default = (info.printer_name == default_printer);
       printer_list->push_back(info);
     }
@@ -223,7 +223,7 @@ bool PrintBackendWin::GetPrinterSemanticCapsAndDefaults(
   }
 
   PrinterInfo5 info_5;
-  if (!info_5.Init(printer_handle))
+  if (!info_5.Init(printer_handle.Get()))
     return false;
   const wchar_t* name = info_5.get()->pPrinterName;
   const wchar_t* port = info_5.get()->pPortName;
@@ -232,7 +232,7 @@ bool PrintBackendWin::GetPrinterSemanticCapsAndDefaults(
   PrinterSemanticCapsAndDefaults caps;
 
   scoped_ptr<DEVMODE, base::FreeDeleter> user_settings =
-      CreateDevMode(printer_handle, NULL);
+      CreateDevMode(printer_handle.Get(), NULL);
   if (user_settings) {
     if (user_settings->dmFields & DM_COLOR)
       caps.color_default = (user_settings->dmColor == DMCOLOR_COLOR);
@@ -322,7 +322,7 @@ bool PrintBackendWin::GetPrinterCapsAndDefaults(
     ScopedPrinterHandle printer_handle;
     if (printer_handle.OpenPrinter(printer_name_wide.c_str())) {
       scoped_ptr<DEVMODE, base::FreeDeleter> devmode_out(
-          CreateDevMode(printer_handle, NULL));
+          CreateDevMode(printer_handle.Get(), NULL));
       if (!devmode_out)
         return false;
       base::win::ScopedComPtr<IStream> printer_defaults_stream;
@@ -354,7 +354,7 @@ std::string PrintBackendWin::GetPrinterDriverInfo(
   if (!printer.OpenPrinter(base::UTF8ToWide(printer_name).c_str())) {
     return std::string();
   }
-  return GetDriverInfo(printer);
+  return GetDriverInfo(printer.Get());
 }
 
 bool PrintBackendWin::IsValidPrinter(const std::string& printer_name) {