printing: Add out-of-line copy ctors for complex classes.

printing/print_settings.cc

 // Copyright (c) 2012 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/print_settings.h"
 
 #include "base/atomic_sequence_num.h"
 #include "base/lazy_instance.h"
 #include "base/logging.h"
 #include "printing/print_job_constants.h"
@@ skipping 107 matching lines @@
           color_mode != HP_COLOR_BLACK);
 }
 
 // Global SequenceNumber used for generating unique cookie values.
 static base::StaticAtomicSequenceNumber cookie_seq;
 
 PrintSettings::PrintSettings() {
   Clear();
 }
 
+PrintSettings::PrintSettings(const PrintSettings& other) = default;
+
 PrintSettings::~PrintSettings() {
 }
 
 void PrintSettings::Clear() {
   ranges_.clear();
   margin_type_ = DEFAULT_MARGINS;
   desired_dpi_ = 72;
   selection_only_ = false;
   title_ = base::string16();
   url_ = base::string16();
@@ skipping 97 matching lines @@
 }
 
 void PrintSettings::SetOrientation(bool landscape) {
   if (landscape_ != landscape) {
     landscape_ = landscape;
     page_setup_device_units_.FlipOrientation();
   }
 }
 
 }  // namespace printing