Add media size capability to PDF printer.

printing/printing_context.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.h"
 
 #include "base/logging.h"
 #include "base/values.h"
 #include "printing/page_setup.h"
 #include "printing/page_size_margins.h"
@@ skipping 30 matching lines @@
   in_print_job_ = false;
   dialog_box_dismissed_ = false;
   abort_printing_ = false;
 }
 
 PrintingContext::Result PrintingContext::OnError() {
   ResetSettings();
   return abort_printing_ ? CANCEL : FAILED;
 }
 
+PrintingContext::Result PrintingContext::UsePdfSettings() {
+  scoped_ptr<base::DictionaryValue> pdf_settings(new base::DictionaryValue);
+  pdf_settings->SetBoolean(kSettingHeaderFooterEnabled, false);
+  pdf_settings->SetBoolean(kSettingShouldPrintBackgrounds, false);
+  pdf_settings->SetBoolean(kSettingShouldPrintSelectionOnly, false);
+  pdf_settings->SetInteger(kSettingMarginsType, printing::NO_MARGINS);
+  pdf_settings->SetBoolean(kSettingCollate, true);
+  pdf_settings->SetInteger(kSettingCopies, 1);
+  pdf_settings->SetInteger(kSettingColor, printing::COLOR);
+  pdf_settings->SetInteger(kSettingDuplexMode, printing::SIMPLEX);
+  pdf_settings->SetBoolean(kSettingLandscape, false);
+  pdf_settings->SetString(kSettingDeviceName, "");
+  pdf_settings->SetBoolean(kSettingPrintToPDF, true);
+  pdf_settings->SetBoolean(kSettingCloudPrintDialog, false);
+  pdf_settings->SetBoolean(kSettingPrintWithPrivet, false);
+  return UpdatePrintSettings(*pdf_settings, PageRanges());
+}
+
 PrintingContext::Result PrintingContext::UpdatePrintSettings(
     const base::DictionaryValue& job_settings,
     const PageRanges& ranges) {
   ResetSettings();
 
   if (!PrintSettingsInitializer::InitSettings(job_settings, ranges,
                                               &settings_)) {
     NOTREACHED();
     return OnError();
   }
@@ skipping 38 matching lines @@
           kCloudPrintMarginInch * settings_.device_units_per_inch());
     }
     settings_.SetPrinterPrintableArea(paper_size, paper_rect, true);
     return OK;
   }
 
   return UpdatePrinterSettings(open_in_external_preview);
 }
 
 }  // namespace printing