Allow page range selection in system dialog called from preview

printing/printing_context_mac.mm

 // Copyright (c) 2011 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 "printing/printing_context_mac.h"
 
 #import <AppKit/AppKit.h>
 
 #import <iomanip>
 #import <numeric>
@@ skipping 151 matching lines @@
 
   print_info_.reset([[NSPrintInfo sharedPrintInfo] copy]);
   settings_.set_ranges(GetPageRangesFromPrintInfo());
   InitPrintSettingsFromPrintInfo();
 
   return OK;
 }
 
 PrintingContext::Result PrintingContextMac::UpdatePrinterSettings(
     bool external_preview,
-    bool show_system_dialog) {
+    bool show_system_dialog,
+    int page_count) {
   DCHECK(!show_system_dialog);
   DCHECK(!in_print_job_);
 
   // NOTE: Reset |print_info_| with a copy of |sharedPrintInfo| so as to start
   // with a clean slate.
   print_info_.reset([[NSPrintInfo sharedPrintInfo] copy]);
 
   if (external_preview) {
     if (!SetPrintPreviewJob())
       return OnError();
@@ skipping 335 matching lines @@
 void PrintingContextMac::ReleaseContext() {
   print_info_.reset();
   context_ = NULL;
 }
 
 gfx::NativeDrawingContext PrintingContextMac::context() const {
   return context_;
 }
 
 }  // namespace printing