Don't set "print selection" to false.

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>
 
 #import <iomanip>
@@ skipping 168 matching lines @@
       NULL, NULL) == noErr;
 }
 
 void PrintingContextMac::InitPrintSettingsFromPrintInfo() {
   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);
-  settings_.set_selection_only(false);
   PrintSettingsInitializerMac::InitPrintSettings(
       printer, page_format, &settings_);
 }
 
 bool PrintingContextMac::SetPrinter(const std::string& device_name) {
   DCHECK(print_info_.get());
   PMPrintSession print_session =
       static_cast<PMPrintSession>([print_info_.get() PMPrintSession]);
 
   PMPrinter current_printer;
@@ skipping 300 matching lines @@
 void PrintingContextMac::ReleaseContext() {
   print_info_.reset();
   context_ = NULL;
 }
 
 gfx::NativeDrawingContext PrintingContextMac::context() const {
   return context_;
 }
 
 }  // namespace printing