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

components/storage_monitor/storage_info.h

 // 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.
 
 #ifndef COMPONENTS_STORAGE_MONITOR_STORAGE_INFO_H_
 #define COMPONENTS_STORAGE_MONITOR_STORAGE_INFO_H_
 
 #include <stdint.h>
 
 #include "base/files/file_path.h"
@@ skipping 23 matching lines @@
   };
 
   StorageInfo();
   // Note: |device_id_in| should be constructed with MakeDeviceId.
   StorageInfo(const std::string& device_id_in,
               const base::FilePath::StringType& device_location,
               const base::string16& label,
               const base::string16& vendor,
               const base::string16& model,
               uint64_t size_in_bytes);
+  StorageInfo(const StorageInfo& other);
   ~StorageInfo();
 
   // Returns a device id given properties of the device. A prefix dependent on
   // |type| is added so |unique_id| need only be unique within the given type.
   // Returns an empty string if an invalid type is passed in.
   static std::string MakeDeviceId(Type type, const std::string& unique_id);
 
   // Extracts the device |type| and |unique_id| from |device_id|. Returns false
   // if the device_id isn't properly formatted.
   static bool CrackDeviceId(const std::string& device_id,
@@ skipping 62 matching lines @@
   base::string16 model_name_;
 
   // Size of the removable device in bytes.
   // Zero if not collected or unknown.
   uint64_t total_size_in_bytes_;
 };
 
 }  // namespace storage_monitor
 
 #endif  // COMPONENTS_STORAGE_MONITOR_STORAGE_INFO_H_