[NTP Snippets] Another round of clang-tidy cleanups

components/ntp_snippets/offline_pages/recent_tab_suggestions_provider.cc

 // Copyright 2016 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 "components/ntp_snippets/offline_pages/recent_tab_suggestions_provider.h"
 
 #include <algorithm>
 #include <utility>
 
 #include "base/bind.h"
@@ skipping 34 matching lines @@
 
 RecentTabSuggestionsProvider::RecentTabSuggestionsProvider(
     ContentSuggestionsProvider::Observer* observer,
     CategoryFactory* category_factory,
     scoped_refptr<OfflinePageProxy> offline_page_proxy,
     PrefService* pref_service)
     : ContentSuggestionsProvider(observer, category_factory),
       category_status_(CategoryStatus::AVAILABLE_LOADING),
       provided_category_(
           category_factory->FromKnownCategory(KnownCategories::RECENT_TABS)),
-      offline_page_proxy_(offline_page_proxy),
+      offline_page_proxy_(std::move(offline_page_proxy)),
       pref_service_(pref_service),
       weak_ptr_factory_(this) {
   observer->OnCategoryStatusChanged(this, provided_category_, category_status_);
   offline_page_proxy_->AddObserver(this);
   FetchRecentTabs();
 }
 
 RecentTabSuggestionsProvider::~RecentTabSuggestionsProvider() {
   offline_page_proxy_->RemoveObserver(this);
 }
@@ skipping 199 matching lines @@
 }
 
 void RecentTabSuggestionsProvider::StoreDismissedIDsToPrefs(
     const std::set<std::string>& dismissed_ids) {
   prefs::StoreDismissedIDsToPrefs(pref_service_,
                                   prefs::kDismissedRecentOfflineTabSuggestions,
                                   dismissed_ids);
 }
 
 }  // namespace ntp_snippets