NULL -> nullptr under athena/

athena/home/athena_start_page_view.cc

 // 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.
 
 #include "athena/home/athena_start_page_view.h"
 
 #include "athena/home/home_card_constants.h"
 #include "athena/system/public/system_ui.h"
 #include "base/bind.h"
 #include "base/strings/string_util.h"
@@ skipping 177 matching lines @@
   system_info_view_->SetFillsBoundsOpaquely(false);
   AddChildView(system_info_view_);
 
   logo_ = view_delegate->CreateStartPageWebView(
       gfx::Size(kWebViewWidth, kWebViewHeight));
   logo_->SetPaintToLayer(true);
   logo_->SetFillsBoundsOpaquely(false);
   logo_->SetSize(gfx::Size(kWebViewWidth, kWebViewHeight));
   AddChildView(logo_);
 
-  search_results_view_ = new app_list::SearchResultListView(
-      NULL, view_delegate);
+  search_results_view_ =
+      new app_list::SearchResultListView(nullptr, view_delegate);
   // search_results_view_'s size will shrink after settings results.
   search_results_height_ = static_cast<views::View*>(
       search_results_view_)->GetHeightForWidth(kSearchBoxWidth);
   search_results_view_->SetResults(view_delegate->GetModel()->results());
 
   search_results_view_->SetVisible(false);
   search_results_view_->SetPaintToLayer(true);
   search_results_view_->SetFillsBoundsOpaquely(false);
   AddChildView(search_results_view_);
 
@@ skipping 276 matching lines @@
                                           app_list::AppListItem* item) {
   UpdateAppIcons();
 }
 
 // static
 size_t AthenaStartPageView::GetMaxIconNumForTest() {
   return kMaxIconNum;
 }
 
 }  // namespace athena