Revert of More System Dialog printing code disabled on Windows.

chrome/browser/printing/print_view_manager_base.cc

 // Copyright 2013 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/browser/printing/print_view_manager_base.h"
 
 #include "base/bind.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/prefs/pref_service.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 57 matching lines @@
       profile->GetPrefs(),
       base::Bind(&PrintViewManagerBase::UpdateScriptedPrintingBlocked,
                  base::Unretained(this)));
 }
 
 PrintViewManagerBase::~PrintViewManagerBase() {
   ReleasePrinterQuery();
   DisconnectFromCurrentPrintJob();
 }
 
-#if !defined(OS_WIN)
 bool PrintViewManagerBase::PrintNow() {
   return PrintNowInternal(new PrintMsg_PrintPages(routing_id()));
 }
-#endif  // !OS_WIN
 
 void PrintViewManagerBase::UpdateScriptedPrintingBlocked() {
   Send(new PrintMsg_SetScriptedPrintingBlocked(
        routing_id(),
        !printing_enabled_.GetValue()));
 }
 
 void PrintViewManagerBase::NavigationStopped() {
   // Cancel the current job, wait for the worker to finish.
   TerminatePrintJob(true);
@@ skipping 470 matching lines @@
   scoped_refptr<printing::PrinterQuery> printer_query;
   printer_query = queue_->PopPrinterQuery(cookie);
   if (!printer_query.get())
     return;
   BrowserThread::PostTask(
       BrowserThread::IO, FROM_HERE,
       base::Bind(&PrinterQuery::StopWorker, printer_query.get()));
 }
 
 }  // namespace printing