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

chrome/common/instant_types.cc

 // Copyright 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.
 
 #include "chrome/common/instant_types.h"
 
 #include "base/strings/utf_string_conversions.h"
 #include "net/base/escape.h"
 
 namespace {
@@ skipping 72 matching lines @@
 }
 
 const char kSearchQueryKey[] = "q";
 const char kOriginalQueryKey[] = "oq";
 const char kRLZParameterKey[] = "rlz";
 const char kInputEncodingKey[] = "ie";
 const char kAssistedQueryStatsKey[] = "aqs";
 
 InstantMostVisitedItem::InstantMostVisitedItem() {}
 
+InstantMostVisitedItem::InstantMostVisitedItem(
+    const InstantMostVisitedItem& other) = default;
+
 InstantMostVisitedItem::~InstantMostVisitedItem() {}
 
 EmbeddedSearchRequestParams::EmbeddedSearchRequestParams() {
 }
 
 EmbeddedSearchRequestParams::EmbeddedSearchRequestParams(const GURL& url) {
   const std::string& url_params(url.ref().empty()? url.query() : url.ref());
   url::Component query, key, value;
   query.len = static_cast<int>(url_params.size());
 
@@ skipping 22 matching lines @@
           value_param, net::UnescapeRule::NORMAL);
     } else if (key_param == kAssistedQueryStatsKey) {
       assisted_query_stats = net::UnescapeAndDecodeUTF8URLComponent(
           value_param, net::UnescapeRule::NORMAL);
     }
   }
 }
 
 EmbeddedSearchRequestParams::~EmbeddedSearchRequestParams() {
 }