C++11 declares a type safe null pointer

content/common/cursors/webcursor_aurawin.cc

Index: content/common/cursors/webcursor_aurawin.cc
diff --git a/content/common/cursors/webcursor_aurawin.cc b/content/common/cursors/webcursor_aurawin.cc
index 15ae5b46c3f5eefff5d114b3d636307fe62e8a48..5b594f8caebd65bd6f06d39b6ed21309e4ef1a92 100644
--- a/content/common/cursors/webcursor_aurawin.cc
+++ b/content/common/cursors/webcursor_aurawin.cc
@@ -13,7 +13,7 @@ namespace content {
 
 ui::PlatformCursor WebCursor::GetPlatformCursor() {
   if (!IsCustom())
-    return LoadCursor(NULL, IDC_ARROW);
+    return LoadCursor(nullptr, IDC_ARROW);
 
   if (custom_cursor_)
     return custom_cursor_;
@@ -22,7 +22,7 @@ ui::PlatformCursor WebCursor::GetPlatformCursor() {
       IconUtil::CreateCursorFromDIB(
           custom_size_,
           hotspot_,
-          !custom_data_.empty() ? &custom_data_[0] : NULL,
+          !custom_data_.empty() ? &custom_data_[0] : nullptr,
           custom_data_.size());
   return custom_cursor_;
 }
@@ -32,7 +32,7 @@ void WebCursor::SetDisplayInfo(const gfx::Display& display) {
 }
 
 void WebCursor::InitPlatformData() {
-  custom_cursor_ = NULL;
+  custom_cursor_ = nullptr;
 }
 
 bool WebCursor::SerializePlatformData(Pickle* pickle) const {
@@ -50,7 +50,7 @@ bool WebCursor::IsPlatformDataEqual(const WebCursor& other) const {
 void WebCursor::CleanupPlatformData() {
   if (custom_cursor_) {
     DestroyIcon(custom_cursor_);
-    custom_cursor_ = NULL;
+    custom_cursor_ = nullptr;
   }
 }