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

components/search_engines/template_url_data.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_SEARCH_ENGINES_TEMPLATE_URL_DATA_H_
 #define COMPONENTS_SEARCH_ENGINES_TEMPLATE_URL_DATA_H_
 
 #include <string>
 #include <vector>
 
 #include "base/strings/string16.h"
 #include "base/time/time.h"
 #include "components/search_engines/template_url_id.h"
 #include "url/gurl.h"
 
 // The data for the TemplateURL.  Separating this into its own class allows most
 // users to do SSA-style usage of TemplateURL: construct a TemplateURLData with
 // whatever fields are desired, then create an immutable TemplateURL from it.
 struct TemplateURLData {
   TemplateURLData();
+  TemplateURLData(const TemplateURLData& other);
   ~TemplateURLData();
 
   // A short description of the template. This is the name we show to the user
   // in various places that use TemplateURLs. For example, the location bar
   // shows this when the user selects a substituting match.
   void SetShortName(const base::string16& short_name);
   const base::string16& short_name() const { return short_name_; }
 
   // The shortcut for this TemplateURL.  |keyword| must be non-empty.
   void SetKeyword(const base::string16& keyword);
@@ skipping 84 matching lines @@
 
  private:
   // Private so we can enforce using the setters and thus enforce that these
   // fields are never empty.
   base::string16 short_name_;
   base::string16 keyword_;
   std::string url_;
 };
 
 #endif  // COMPONENTS_SEARCH_ENGINES_TEMPLATE_URL_DATA_H_