Allow page range selection in system dialog called from preview

printing/printing_context_linux.cc

 // Copyright 2014 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_linux.h"
 
 #include "base/logging.h"
 #include "base/values.h"
 #include "printing/metafile.h"
 #include "printing/print_dialog_gtk_interface.h"
@@ skipping 89 matching lines @@
 
 gfx::Size PrintingContextLinux::GetPdfPaperSizeDeviceUnits() {
   if (get_pdf_paper_size_)
     return get_pdf_paper_size_(this);
 
   return gfx::Size();
 }
 
 PrintingContext::Result PrintingContextLinux::UpdatePrinterSettings(
     bool external_preview,
-    bool show_system_dialog) {
+    bool show_system_dialog,
+    int page_count) {
   DCHECK(!show_system_dialog);
   DCHECK(!in_print_job_);
   DCHECK(!external_preview) << "Not implemented";
 
   if (!create_dialog_func_)
     return OK;
 
   if (!print_dialog_) {
     print_dialog_ = create_dialog_func_(this);
     print_dialog_->AddRefToDialog();
@@ skipping 61 matching lines @@
 void PrintingContextLinux::ReleaseContext() {
   // Intentional No-op.
 }
 
 gfx::NativeDrawingContext PrintingContextLinux::context() const {
   // Intentional No-op.
   return NULL;
 }
 
 }  // namespace printing