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

ui/base/ime/chromeos/input_method_descriptor.h

 // Copyright 2013 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 UI_BASE_IME_CHROMEOS_INPUT_METHOD_DESCRIPTOR_H_
 #define UI_BASE_IME_CHROMEOS_INPUT_METHOD_DESCRIPTOR_H_
 
 #include <string>
 #include <vector>
 
 #include "ui/base/ime/ui_base_ime_export.h"
 #include "url/gurl.h"
 
 namespace chromeos {
 namespace input_method {
 
 // A structure which represents an input method.
 class UI_BASE_IME_EXPORT InputMethodDescriptor {
  public:
   InputMethodDescriptor();
   InputMethodDescriptor(const std::string& id,
                         const std::string& name,
                         const std::string& indicator,
                         const std::vector<std::string>& keyboard_layouts,
                         const std::vector<std::string>& language_codes,
                         bool is_login_keyboard,
                         const GURL& options_page_url,
                         const GURL& input_view_url);
+  InputMethodDescriptor(const InputMethodDescriptor& other);
   ~InputMethodDescriptor();
 
   // Accessors
   const std::string& id() const { return id_; }
   const std::string& name() const { return name_; }
   const std::string& indicator() const { return indicator_; }
   const std::vector<std::string>& language_codes() const {
     return language_codes_;
   }
   const GURL& options_page_url() const { return options_page_url_; }
@@ skipping 43 matching lines @@
   // This field is valid only for input method extension.
   GURL input_view_url_;
 };
 
 typedef std::vector<InputMethodDescriptor> InputMethodDescriptors;
 
 }  // namespace input_method
 }  // namespace chromeos
 
 #endif  // UI_BASE_IME_CHROMEOS_INPUT_METHOD_DESCRIPTOR_H_