NULL -> nullptr under athena/

athena/content/web_contents_view_delegate_factory_impl.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/content/public/web_contents_view_delegate_creator.h"
 
 #include "athena/content/render_view_context_menu_impl.h"
 #include "components/web_modal/popup_manager.h"
 #include "components/web_modal/single_web_contents_dialog_manager.h"
 #include "components/web_modal/web_contents_modal_dialog_host.h"
@@ skipping 11 matching lines @@
 
 class WebContentsViewDelegateImpl : public content::WebContentsViewDelegate {
  public:
   explicit WebContentsViewDelegateImpl(content::WebContents* web_contents)
       : web_contents_(web_contents) {}
   virtual ~WebContentsViewDelegateImpl() {}
 
   virtual content::WebDragDestDelegate* GetDragDestDelegate() override {
     // TODO(oshima): crbug.com/401610
     NOTIMPLEMENTED();
-    return NULL;
+    return nullptr;
   }
 
   virtual bool Focus() override {
     web_modal::PopupManager* popup_manager =
         web_modal::PopupManager::FromWebContents(web_contents_);
     if (popup_manager)
       popup_manager->WasFocused(web_contents_);
     return false;
   }
 
@@ skipping 78 matching lines @@
                      ->GetNativeView()
                : web_contents_->GetNativeView();
   }
 
   views::Widget* GetTopLevelWidget() {
     return views::Widget::GetTopLevelWidgetForNativeView(GetActiveNativeView());
   }
 
   views::FocusManager* GetFocusManager() {
     views::Widget* toplevel_widget = GetTopLevelWidget();
-    return toplevel_widget ? toplevel_widget->GetFocusManager() : NULL;
+    return toplevel_widget ? toplevel_widget->GetFocusManager() : nullptr;
   }
 
   void SetInitialFocus() {
     if (web_contents_->FocusLocationBarByDefault()) {
       if (web_contents_->GetDelegate())
         web_contents_->GetDelegate()->SetFocusToLocationBar(false);
     } else {
       web_contents_->Focus();
     }
   }
   scoped_ptr<RenderViewContextMenuImpl> context_menu_;
   content::WebContents* web_contents_;
   DISALLOW_COPY_AND_ASSIGN(WebContentsViewDelegateImpl);
 };
 
 }  // namespace
 
 content::WebContentsViewDelegate* CreateWebContentsViewDelegate(
     content::WebContents* web_contents) {
   return new WebContentsViewDelegateImpl(web_contents);
 }
 
 }  // namespace athena