C++11 declares a type safe null pointer

content/common/input/input_param_traits.cc

Index: content/common/input/input_param_traits.cc
diff --git a/content/common/input/input_param_traits.cc b/content/common/input/input_param_traits.cc
index 2a5297c8a1c88c5f99cf085ae9057c4cae195970..dc801752d5fbe485c990899647097a4de915e002 100644
--- a/content/common/input/input_param_traits.cc
+++ b/content/common/input/input_param_traits.cc
@@ -37,7 +37,7 @@ bool ParamTraits<content::ScopedWebInputEvent>::Read(const Message* m,
                                                      PickleIterator* iter,
                                                      param_type* p) {
   bool valid_web_event = false;
-  WebInputEventPointer web_event_pointer = NULL;
+  WebInputEventPointer web_event_pointer = nullptr;
   if (!ReadParam(m, iter, &valid_web_event) ||
       !valid_web_event ||
       !ReadParam(m, iter, &web_event_pointer) ||
@@ -99,7 +99,7 @@ bool ParamTraits<content::SyntheticGesturePacket>::Read(const Message* m,
   }
 
   p->set_gesture_params(gesture_params.Pass());
-  return p->gesture_params() != NULL;
+  return p->gesture_params() != nullptr;
 }
 
 void ParamTraits<content::SyntheticGesturePacket>::Log(const param_type& p,