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

components/omnibox/browser/scored_history_match.h

 // Copyright (c) 2012 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_SCORED_HISTORY_MATCH_H_
 #define COMPONENTS_OMNIBOX_BROWSER_SCORED_HISTORY_MATCH_H_
 
 #include <stddef.h>
 
 #include <string>
@@ skipping 12 matching lines @@
 // history item's URL and/or page title matches have occurred.
 struct ScoredHistoryMatch : public history::HistoryMatch {
   // ScoreMaxRelevance maps from an intermediate-score to the maximum
   // final-relevance score given to a URL for this intermediate score.
   // This is used to store the score ranges of HQP relevance buckets.
   // Please see GetFinalRelevancyScore() for details.
   typedef std::pair<double, int> ScoreMaxRelevance;
 
   // Required for STL, we don't use this directly.
   ScoredHistoryMatch();
+  ScoredHistoryMatch(const ScoredHistoryMatch& other);
 
   // Initializes the ScoredHistoryMatch with a raw score calculated for the
   // history item given in |row| with recent visits as indicated in |visits|. It
   // first determines if the row qualifies by seeing if all of the terms in
   // |terms_vector| occur in |row|.  If so, calculates a raw score.  This raw
   // score is in part determined by whether the matches occur at word
   // boundaries, the locations of which are stored in |word_starts|.  For some
   // terms, it's appropriate to look for the word boundary within the term. For
   // instance, the term ".net" should look for a word boundary at the "n". These
   // offsets (".net" should have an offset of 1) come from
@@ skipping 149 matching lines @@
   static char hqp_relevance_buckets_str_[];
 
   // |hqp_relevance_buckets_| gives mapping from (topicality*frequency)
   // to the final relevance scoring. Please see GetFinalRelevancyScore()
   // for more details and scoring method.
   static std::vector<ScoreMaxRelevance>* hqp_relevance_buckets_;
 };
 typedef std::vector<ScoredHistoryMatch> ScoredHistoryMatches;
 
 #endif  // COMPONENTS_OMNIBOX_BROWSER_SCORED_HISTORY_MATCH_H_