Gtk: Change NULL to nullptr

chrome/browser/ui/libgtkui/app_indicator_icon.cc

 // Copyright 2013 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/ui/libgtkui/app_indicator_icon.h"
 
 #include <dlfcn.h>
 #include <gtk/gtk.h>
 
 #include "base/bind.h"
@@ skipping 54 matching lines @@
                                                  const gchar* icon_desc);
 
 typedef void (*app_indicator_set_icon_theme_path_func)(
     AppIndicator* self,
     const gchar* icon_theme_path);
 
 bool g_attempted_load = false;
 bool g_opened = false;
 
 // Retrieved functions from libappindicator.
-app_indicator_new_func app_indicator_new = NULL;
-app_indicator_new_with_path_func app_indicator_new_with_path = NULL;
-app_indicator_set_status_func app_indicator_set_status = NULL;
+app_indicator_new_func app_indicator_new = nullptr;
+app_indicator_new_with_path_func app_indicator_new_with_path = nullptr;
+app_indicator_set_status_func app_indicator_set_status = nullptr;
 app_indicator_set_attention_icon_full_func
-    app_indicator_set_attention_icon_full = NULL;
-app_indicator_set_menu_func app_indicator_set_menu = NULL;
-app_indicator_set_icon_full_func app_indicator_set_icon_full = NULL;
-app_indicator_set_icon_theme_path_func app_indicator_set_icon_theme_path = NULL;
+    app_indicator_set_attention_icon_full = nullptr;
+app_indicator_set_menu_func app_indicator_set_menu = nullptr;
+app_indicator_set_icon_full_func app_indicator_set_icon_full = nullptr;
+app_indicator_set_icon_theme_path_func app_indicator_set_icon_theme_path =
+    nullptr;
 
 void EnsureMethodsLoaded() {
   if (g_attempted_load)
     return;
 
   g_attempted_load = true;
 
   // Only use libappindicator where it is needed to support dbus based status
   // icons. In particular, libappindicator does not support a click action.
   std::unique_ptr<base::Environment> env(base::Environment::Create());
@@ skipping 77 matching lines @@
 }
 
 }  // namespace
 
 namespace libgtkui {
 
 AppIndicatorIcon::AppIndicatorIcon(std::string id,
                                    const gfx::ImageSkia& image,
                                    const base::string16& tool_tip)
     : id_(id),
-      icon_(NULL),
-      menu_model_(NULL),
+      icon_(nullptr),
+      menu_model_(nullptr),
       icon_change_count_(0),
       weak_factory_(this) {
   std::unique_ptr<base::Environment> env(base::Environment::Create());
   desktop_env_ = base::nix::GetDesktopEnvironment(env.get());
 
   EnsureMethodsLoaded();
   tool_tip_ = base::UTF16ToUTF8(tool_tip);
   SetImage(image);
 }
 AppIndicatorIcon::~AppIndicatorIcon() {
@@ skipping 196 matching lines @@
       base::Bind(&AppIndicatorIcon::OnClickActionReplacementMenuItemActivated,
                  base::Unretained(this)));
 }
 
 void AppIndicatorIcon::OnClickActionReplacementMenuItemActivated() {
   if (delegate())
     delegate()->OnClick();
 }
 
 }  // namespace libgtkui