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

extensions/browser/api/storage/storage_api.cc

Index: extensions/browser/api/storage/storage_api.cc
diff --git a/extensions/browser/api/storage/storage_api.cc b/extensions/browser/api/storage/storage_api.cc
index a29bed886b0186b4c99f3572c480ebec3943df6d..f44884197b06c709da3453cd7a240f2bc3b22bfc 100644
--- a/extensions/browser/api/storage/storage_api.cc
+++ b/extensions/browser/api/storage/storage_api.cc
@@ -41,7 +41,7 @@ bool SettingsFunction::ShouldSkipQuotaLimiting() const {
 ExtensionFunction::ResponseAction SettingsFunction::Run() {
   std::string settings_namespace_string;
   EXTENSION_FUNCTION_VALIDATE(args_->GetString(0, &settings_namespace_string));
-  args_->Remove(0, NULL);
+  args_->Remove(0, nullptr);
   settings_namespace_ =
       settings_namespace::FromString(settings_namespace_string);
   EXTENSION_FUNCTION_VALIDATE(settings_namespace_ !=
@@ -176,7 +176,7 @@ void GetModificationQuotaLimitHeuristics(QuotaLimitHeuristics* heuristics) {
 
 ExtensionFunction::ResponseValue StorageStorageAreaGetFunction::RunWithStorage(
     ValueStore* storage) {
-  base::Value* input = NULL;
+  base::Value* input = nullptr;
   if (!args_->Get(0, &input))
     return BadMessage();
 
@@ -219,7 +219,7 @@ ExtensionFunction::ResponseValue StorageStorageAreaGetFunction::RunWithStorage(
 
 ExtensionFunction::ResponseValue
 StorageStorageAreaGetBytesInUseFunction::RunWithStorage(ValueStore* storage) {
-  base::Value* input = NULL;
+  base::Value* input = nullptr;
   if (!args_->Get(0, &input))
     return BadMessage();
 
@@ -255,7 +255,7 @@ StorageStorageAreaGetBytesInUseFunction::RunWithStorage(ValueStore* storage) {
 
 ExtensionFunction::ResponseValue StorageStorageAreaSetFunction::RunWithStorage(
     ValueStore* storage) {
-  base::DictionaryValue* input = NULL;
+  base::DictionaryValue* input = nullptr;
   if (!args_->GetDictionary(0, &input))
     return BadMessage();
   return UseWriteResult(storage->Set(ValueStore::DEFAULTS, *input), storage);
@@ -268,7 +268,7 @@ void StorageStorageAreaSetFunction::GetQuotaLimitHeuristics(
 
 ExtensionFunction::ResponseValue
 StorageStorageAreaRemoveFunction::RunWithStorage(ValueStore* storage) {
-  base::Value* input = NULL;
+  base::Value* input = nullptr;
   if (!args_->Get(0, &input))
     return BadMessage();