Revert piece of "De-duplicate job_settings parsing code." r231501

printing/printing_context_no_system_dialog.cc

 // 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_no_system_dialog.h"
 
 #include <unicode/ulocdata.h>
 
 #include "base/logging.h"
 #include "base/values.h"
@@ skipping 63 matching lines @@
   settings_.SetPrinterPrintableArea(physical_size_device_units,
                                     printable_area_device_units,
                                     dpi, true);
 
   return OK;
 }
 
 PrintingContext::Result PrintingContextNoSystemDialog::UpdatePrinterSettings(
     bool target_is_pdf,
     bool external_preview) {
+
+  if (settings_.dpi() == 0)
+    UseDefaultSettings();
+
   return OK;
 }
 
 PrintingContext::Result PrintingContextNoSystemDialog::InitWithSettings(
     const PrintSettings& settings) {
   DCHECK(!in_print_job_);
 
   settings_ = settings;
 
   return OK;
@@ skipping 45 matching lines @@
   // Intentional No-op.
 }
 
 gfx::NativeDrawingContext PrintingContextNoSystemDialog::context() const {
   // Intentional No-op.
   return NULL;
 }
 
 }  // namespace printing