PrintPreview:[MAC] Added "Open PDF In Preview" option to open the pdf in native preview app.

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 <ApplicationServices/ApplicationServices.h>
 #import <AppKit/AppKit.h>
 
 #include "base/logging.h"
@@ skipping 106 matching lines @@
       !job_settings.GetInteger(kSettingColor, &color) ||
       !job_settings.GetBoolean(kSettingPrintToPDF, &print_to_pdf) ||
       !job_settings.GetInteger(kSettingDuplexMode, &duplex_mode) ||
       !job_settings.GetInteger(kSettingCopies, &copies) ||
       !job_settings.GetString(kSettingDeviceName, &device_name) ||
       !job_settings.GetBoolean(kSettingCloudPrintDialog, &is_cloud_dialog)) {
     return OnError();
   }
 
   bool print_to_cloud = job_settings.HasKey(kSettingCloudPrintId);
+  bool open_pdf_in_preview = job_settings.HasKey(kSettingOpenPDFInPreview);
 
   if (!print_to_pdf && !print_to_cloud && !is_cloud_dialog) {
     if (!SetPrinter(device_name))
       return OnError();
 
     if (!SetCopiesInPrintSettings(copies))
       return OnError();
 
     if (!SetCollateInPrintSettings(collate))
       return OnError();
 
     if (!SetDuplexModeInPrintSettings(
             static_cast<DuplexMode>(duplex_mode))) {
       return OnError();
     }
 
     if (!SetOutputColor(color))
       return OnError();
   }
+  if (open_pdf_in_preview) {
+    if (!SetPrintPreviewJob())
+      return OnError();
+  }
+
   if (!UpdatePageFormatWithPaperInfo())
     return OnError();
 
   if (!SetOrientationIsLandscape(landscape))
     return OnError();
 
   [print_info_.get() updateFromPMPrintSettings];
 
   InitPrintSettingsFromPrintInfo(ranges);
   return OK;
 }
 
+bool PrintingContextMac::SetPrintPreviewJob() {
+  PMPrintSession print_session =
+      static_cast<PMPrintSession>([print_info_.get() PMPrintSession]);
+  PMPrintSettings print_settings =
+      static_cast<PMPrintSettings>([print_info_.get() PMPrintSettings]);
+  return PMSessionSetDestination(
+      print_session, print_settings, kPMDestinationPreview,
+      NULL, NULL) == noErr;
+}
+
 void PrintingContextMac::InitPrintSettingsFromPrintInfo(
     const PageRanges& ranges) {
   PMPrintSession print_session =
       static_cast<PMPrintSession>([print_info_.get() PMPrintSession]);
   PMPageFormat page_format =
       static_cast<PMPageFormat>([print_info_.get() PMPageFormat]);
   PMPrinter printer;
   PMSessionGetCurrentPrinter(print_session, &printer);
   PrintSettingsInitializerMac::InitPrintSettings(
       printer, page_format, ranges, false, &settings_);
@@ skipping 305 matching lines @@
 void PrintingContextMac::ReleaseContext() {
   print_info_.reset();
   context_ = NULL;
 }
 
 gfx::NativeDrawingContext PrintingContextMac::context() const {
   return context_;
 }
 
 }  // namespace printing