Run clang-modernize -use-nullptr over src/extensions/.

extensions/browser/value_store/testing_value_store.cc

Index: extensions/browser/value_store/testing_value_store.cc
diff --git a/extensions/browser/value_store/testing_value_store.cc b/extensions/browser/value_store/testing_value_store.cc
index f4002de298f0ad582b7acdd7a7aa2d2b686e3681..fe863ca560a055f6f6adb98d4484ab3920e2963a 100644
--- a/extensions/browser/value_store/testing_value_store.cc
+++ b/extensions/browser/value_store/testing_value_store.cc
@@ -49,7 +49,7 @@ ValueStore::ReadResult TestingValueStore::Get(
   base::DictionaryValue* settings = new base::DictionaryValue();
   for (std::vector<std::string>::const_iterator it = keys.begin();
       it != keys.end(); ++it) {
-    base::Value* value = NULL;
+    base::Value* value = nullptr;
     if (storage_.GetWithoutPathExpansion(*it, &value)) {
       settings->SetWithoutPathExpansion(*it, value->DeepCopy());
     }
@@ -80,7 +80,7 @@ ValueStore::WriteResult TestingValueStore::Set(
   scoped_ptr<ValueStoreChangeList> changes(new ValueStoreChangeList());
   for (base::DictionaryValue::Iterator it(settings);
        !it.IsAtEnd(); it.Advance()) {
-    base::Value* old_value = NULL;
+    base::Value* old_value = nullptr;
     if (!storage_.GetWithoutPathExpansion(it.key(), &old_value) ||
         !old_value->Equals(&it.value())) {
       changes->push_back(
@@ -109,7 +109,7 @@ ValueStore::WriteResult TestingValueStore::Remove(
       it != keys.end(); ++it) {
     scoped_ptr<base::Value> old_value;
     if (storage_.RemoveWithoutPathExpansion(*it, &old_value)) {
-      changes->push_back(ValueStoreChange(*it, old_value.release(), NULL));
+      changes->push_back(ValueStoreChange(*it, old_value.release(), nullptr));
     }
   }
   return MakeWriteResult(changes.Pass());