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

components/content_settings/core/common/content_settings.h

 // 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.
 
 #ifndef COMPONENTS_CONTENT_SETTINGS_CORE_COMMON_CONTENT_SETTINGS_H_
 #define COMPONENTS_CONTENT_SETTINGS_CORE_COMMON_CONTENT_SETTINGS_H_
 
 #include <stddef.h>
 
 #include <string>
@@ skipping 25 matching lines @@
 // content settings types to a histogram.
 int ContentSettingTypeToHistogramValue(ContentSettingsType content_setting,
                                        size_t* num_values);
 
 struct ContentSettingPatternSource {
   ContentSettingPatternSource(const ContentSettingsPattern& primary_pattern,
                               const ContentSettingsPattern& secondary_patttern,
                               ContentSetting setting,
                               const std::string& source,
                               bool incognito);
+  ContentSettingPatternSource(const ContentSettingPatternSource& other);
   ContentSettingPatternSource();
   ContentSettingsPattern primary_pattern;
   ContentSettingsPattern secondary_pattern;
   ContentSetting setting;
   std::string source;
   bool incognito;
 };
 
 typedef std::vector<ContentSettingPatternSource> ContentSettingsForOneType;
 
@@ skipping 26 matching lines @@
 // contains the patterns of the appling rule.
 struct SettingInfo {
   SettingSource source;
   ContentSettingsPattern primary_pattern;
   ContentSettingsPattern secondary_pattern;
 };
 
 }  // namespace content_settings
 
 #endif  // COMPONENTS_CONTENT_SETTINGS_CORE_COMMON_CONTENT_SETTINGS_H_