RefCounted types should not have public destructors, chrome/browser/ part 6

chrome/browser/autocomplete/history_provider.cc

 // 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.
 
 #include "chrome/browser/autocomplete/history_url_provider.h"
 
 #include <string>
 
 #include "base/string_util.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/autocomplete/autocomplete.h"
 #include "chrome/browser/autocomplete/autocomplete_match.h"
 #include "chrome/browser/history/history.h"
 #include "chrome/browser/net/url_fixer_upper.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/common/url_constants.h"
 #include "googleurl/src/url_util.h"
 
 HistoryProvider::HistoryProvider(ACProviderListener* listener,
                                  Profile* profile,
                                  const char* name)
     : AutocompleteProvider(listener, profile, name),
       always_prevent_inline_autocomplete_(false) {
 }
 
+HistoryProvider::~HistoryProvider() {}
+
 void HistoryProvider::DeleteMatch(const AutocompleteMatch& match) {
   DCHECK(done_);
   DCHECK(profile_);
   DCHECK(match.deletable);
 
   HistoryService* const history_service =
       profile_->GetHistoryService(Profile::EXPLICIT_ACCESS);
 
   // Delete the match from the history DB.
   DCHECK(history_service);
@@ skipping 115 matching lines @@
 }
 
 // static
 bool HistoryProvider::PreventInlineAutocomplete(
     const AutocompleteInput& input) {
   return input.prevent_inline_autocomplete() ||
       always_prevent_inline_autocomplete_ ||
       (!input.text().empty() &&
        IsWhitespace(input.text()[input.text().length() - 1]));
 }