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

components/omnibox/browser/search_suggestion_parser.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_OMNIBOX_BROWSER_SEARCH_SUGGESTION_PARSER_H_
 #define COMPONENTS_OMNIBOX_BROWSER_SEARCH_SUGGESTION_PARSER_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 26 matching lines @@
   // TODO(msw) Extend these classes to generate their corresponding matches and
   //           other requisite data, in order to consolidate and simplify the
   //           highly fragmented SearchProvider logic for each Result type.
   class Result {
    public:
     Result(bool from_keyword_provider,
            int relevance,
            bool relevance_from_server,
            AutocompleteMatchType::Type type,
            const std::string& deletion_url);
+    Result(const Result& other);
     virtual ~Result();
 
     bool from_keyword_provider() const { return from_keyword_provider_; }
 
     const base::string16& match_contents() const { return match_contents_; }
     const ACMatchClassifications& match_contents_class() const {
       return match_contents_class_;
     }
 
     AutocompleteMatchType::Type type() const { return type_; }
@@ skipping 244 matching lines @@
       int default_result_relevance,
       const std::string& languages,
       bool is_keyword_result,
       Results* results);
 
  private:
   DISALLOW_COPY_AND_ASSIGN(SearchSuggestionParser);
 };
 
 #endif  // COMPONENTS_OMNIBOX_BROWSER_SEARCH_SUGGESTION_PARSER_H_