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

components/wifi_sync/wifi_credential.cc

 // Copyright 2014 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 "components/wifi_sync/wifi_credential.h"
 
 #include "base/i18n/streaming_utf8_validator.h"
 #include "base/logging.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/stringprintf.h"
 #include "base/values.h"
 #include "components/onc/onc_constants.h"
 
 namespace wifi_sync {
 
+WifiCredential::WifiCredential(const WifiCredential& other) = default;
+
 WifiCredential::~WifiCredential() {
 }
 
 // static
 scoped_ptr<WifiCredential> WifiCredential::Create(
     const SsidBytes& ssid,
     WifiSecurityClass security_class,
     const std::string& passphrase) {
   if (security_class == SECURITY_CLASS_INVALID) {
     LOG(ERROR) << "SecurityClass is invalid.";
@@ skipping 73 matching lines @@
 WifiCredential::WifiCredential(
     const std::vector<unsigned char>& ssid,
     WifiSecurityClass security_class,
     const std::string& passphrase)
     : ssid_(ssid),
       security_class_(security_class),
       passphrase_(passphrase) {
 }
 
 }  // namespace wifi_sync