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

extensions/common/extension_l10n_util.cc

Index: extensions/common/extension_l10n_util.cc
diff --git a/extensions/common/extension_l10n_util.cc b/extensions/common/extension_l10n_util.cc
index e60e2ec726b27564cbd3a96f0a9bdc0f85febe3e..88f26006017c992ac7a9a51dc0bea7cdd96d8230 100644
--- a/extensions/common/extension_l10n_util.cc
+++ b/extensions/common/extension_l10n_util.cc
@@ -39,7 +39,7 @@ base::DictionaryValue* LoadMessageFile(const base::FilePath& locale_path,
   base::FilePath file =
       locale_path.AppendASCII(locale).Append(extensions::kMessagesFilename);
   JSONFileValueSerializer messages_serializer(file);
-  base::Value* dictionary = messages_serializer.Deserialize(NULL, error);
+  base::Value* dictionary = messages_serializer.Deserialize(nullptr, error);
   if (!dictionary) {
     if (error->empty()) {
       // JSONFileValueSerializer just returns NULL if file cannot be found. It
@@ -78,7 +78,7 @@ bool LocalizeManifestListValue(const std::string& key,
                                const extensions::MessageBundle& messages,
                                base::DictionaryValue* manifest,
                                std::string* error) {
-  base::ListValue* list = NULL;
+  base::ListValue* list = nullptr;
   if (!manifest->GetList(key, &list))
     return true;
 
@@ -169,11 +169,11 @@ bool LocalizeManifest(const extensions::MessageBundle& messages,
   if (!LocalizeManifestValue(keys::kOmniboxKeyword, messages, manifest, error))
     return false;
 
-  base::ListValue* file_handlers = NULL;
+  base::ListValue* file_handlers = nullptr;
   if (manifest->GetList(keys::kFileBrowserHandlers, &file_handlers)) {
     key.assign(keys::kFileBrowserHandlers);
     for (size_t i = 0; i < file_handlers->GetSize(); i++) {
-      base::DictionaryValue* handler = NULL;
+      base::DictionaryValue* handler = nullptr;
       if (!file_handlers->GetDictionary(i, &handler)) {
         *error = errors::kInvalidFileBrowserHandler;
         return false;
@@ -185,10 +185,10 @@ bool LocalizeManifest(const extensions::MessageBundle& messages,
   }
 
   // Initialize all input_components
-  base::ListValue* input_components = NULL;
+  base::ListValue* input_components = nullptr;
   if (manifest->GetList(keys::kInputComponents, &input_components)) {
     for (size_t i = 0; i < input_components->GetSize(); ++i) {
-      base::DictionaryValue* module = NULL;
+      base::DictionaryValue* module = nullptr;
       if (!input_components->GetDictionary(i, &module)) {
         *error = errors::kInvalidInputComponents;
         return false;
@@ -209,7 +209,7 @@ bool LocalizeManifest(const extensions::MessageBundle& messages,
     return false;
 
   // Initialize description of commmands.
-  base::DictionaryValue* commands_handler = NULL;
+  base::DictionaryValue* commands_handler = nullptr;
   if (manifest->GetDictionary(keys::kCommands, &commands_handler)) {
     for (base::DictionaryValue::Iterator iter(*commands_handler);
          !iter.IsAtEnd();
@@ -222,7 +222,7 @@ bool LocalizeManifest(const extensions::MessageBundle& messages,
   }
 
   // Initialize search_provider fields.
-  base::DictionaryValue* search_provider = NULL;
+  base::DictionaryValue* search_provider = nullptr;
   if (manifest->GetDictionary(keys::kOverrideSearchProvider,
                               &search_provider)) {
     for (base::DictionaryValue::Iterator iter(*search_provider);
@@ -383,7 +383,7 @@ extensions::MessageBundle* LoadMessageCatalogs(
     if (!catalog.get()) {
       // If locale is valid, but messages.json is corrupted or missing, return
       // an error.
-      return NULL;
+      return nullptr;
     } else {
       catalogs.push_back(catalog);
     }