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

extensions/common/file_util.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "extensions/common/file_util.h"
 
 #include <map>
 #include <set>
 #include <string>
 #include <utility>
@@ skipping 116 matching lines @@
 }
 
 scoped_refptr<Extension> LoadExtension(const base::FilePath& extension_path,
                                        const std::string& extension_id,
                                        Manifest::Location location,
                                        int flags,
                                        std::string* error) {
   scoped_ptr<base::DictionaryValue> manifest(
       LoadManifest(extension_path, error));
   if (!manifest.get())
-    return NULL;
+    return nullptr;
   if (!extension_l10n_util::LocalizeExtension(
           extension_path, manifest.get(), error)) {
-    return NULL;
+    return nullptr;
   }
 
   scoped_refptr<Extension> extension(Extension::Create(
       extension_path, location, *manifest, flags, extension_id, error));
   if (!extension.get())
-    return NULL;
+    return nullptr;
 
   std::vector<InstallWarning> warnings;
   if (!ValidateExtension(extension.get(), error, &warnings))
-    return NULL;
+    return nullptr;
   extension->AddInstallWarnings(warnings);
 
   return extension;
 }
 
 base::DictionaryValue* LoadManifest(const base::FilePath& extension_path,
                                     std::string* error) {
   return LoadManifest(extension_path, kManifestFilename, error);
 }
 
 base::DictionaryValue* LoadManifest(
     const base::FilePath& extension_path,
     const base::FilePath::CharType* manifest_filename,
     std::string* error) {
   base::FilePath manifest_path = extension_path.Append(manifest_filename);
   if (!base::PathExists(manifest_path)) {
     *error = l10n_util::GetStringUTF8(IDS_EXTENSION_MANIFEST_UNREADABLE);
-    return NULL;
+    return nullptr;
   }
 
   JSONFileValueSerializer serializer(manifest_path);
-  scoped_ptr<base::Value> root(serializer.Deserialize(NULL, error));
+  scoped_ptr<base::Value> root(serializer.Deserialize(nullptr, error));
   if (!root.get()) {
     if (error->empty()) {
       // If |error| is empty, than the file could not be read.
       // It would be cleaner to have the JSON reader give a specific error
       // in this case, but other code tests for a file error with
       // error->empty().  For now, be consistent.
       *error = l10n_util::GetStringUTF8(IDS_EXTENSION_MANIFEST_UNREADABLE);
     } else {
       *error = base::StringPrintf(
           "%s  %s", manifest_errors::kManifestParseError, error->c_str());
     }
-    return NULL;
+    return nullptr;
   }
 
   if (!root->IsType(base::Value::TYPE_DICTIONARY)) {
     *error = l10n_util::GetStringUTF8(IDS_EXTENSION_MANIFEST_INVALID);
-    return NULL;
+    return nullptr;
   }
 
   return static_cast<base::DictionaryValue*>(root.release());
 }
 
 bool ValidateExtension(const Extension* extension,
                        std::string* error,
                        std::vector<InstallWarning>* warnings) {
   // Ask registered manifest handlers to validate their paths.
   if (!ManifestHandler::ValidateExtension(extension, error, warnings))
@@ skipping 190 matching lines @@
 }
 
 MessageBundle* LoadMessageBundle(
     const base::FilePath& extension_path,
     const std::string& default_locale,
     std::string* error) {
   error->clear();
   // Load locale information if available.
   base::FilePath locale_path = extension_path.Append(kLocaleFolder);
   if (!base::PathExists(locale_path))
-    return NULL;
+    return nullptr;
 
   std::set<std::string> locales;
   if (!extension_l10n_util::GetValidLocales(locale_path, &locales, error))
-    return NULL;
+    return nullptr;
 
   if (default_locale.empty() || locales.find(default_locale) == locales.end()) {
     *error = l10n_util::GetStringUTF8(
         IDS_EXTENSION_LOCALES_NO_DEFAULT_LOCALE_SPECIFIED);
-    return NULL;
+    return nullptr;
   }
 
   MessageBundle* message_bundle =
       extension_l10n_util::LoadMessageCatalogs(
           locale_path,
           default_locale,
           extension_l10n_util::CurrentLocaleOrDefault(),
           locales,
           error);
 
@@ skipping 27 matching lines @@
 base::FilePath GetVerifiedContentsPath(const base::FilePath& extension_path) {
   return extension_path.Append(kMetadataFolder)
       .Append(kVerifiedContentsFilename);
 }
 base::FilePath GetComputedHashesPath(const base::FilePath& extension_path) {
   return extension_path.Append(kMetadataFolder).Append(kComputedHashesFilename);
 }
 
 }  // namespace file_util
 }  // namespace extensions