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

extensions/common/manifest_handlers/background_info.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/manifest_handlers/background_info.h"
 
 #include "base/command_line.h"
 #include "base/files/file_util.h"
 #include "base/lazy_instance.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 99 matching lines @@
     *error = ASCIIToUTF16(errors::kInvalidBackgroundCombination);
     return false;
   }
 
   return true;
 }
 
 bool BackgroundInfo::LoadBackgroundScripts(const Extension* extension,
                                            const std::string& key,
                                            base::string16* error) {
-  const base::Value* background_scripts_value = NULL;
+  const base::Value* background_scripts_value = nullptr;
   if (!extension->manifest()->Get(key, &background_scripts_value))
     return true;
 
   CHECK(background_scripts_value);
   if (background_scripts_value->GetType() != base::Value::TYPE_LIST) {
     *error = ASCIIToUTF16(errors::kInvalidBackgroundScripts);
     return false;
   }
 
-  const base::ListValue* background_scripts = NULL;
+  const base::ListValue* background_scripts = nullptr;
   background_scripts_value->GetAsList(&background_scripts);
   for (size_t i = 0; i < background_scripts->GetSize(); ++i) {
     std::string script;
     if (!background_scripts->GetString(i, &script)) {
       *error = ErrorUtils::FormatErrorMessageUTF16(
           errors::kInvalidBackgroundScript, base::IntToString(i));
       return false;
     }
     background_scripts_.push_back(script);
   }
 
   return true;
 }
 
 bool BackgroundInfo::LoadBackgroundPage(const Extension* extension,
                                         const std::string& key,
                                         base::string16* error) {
-  const base::Value* background_page_value = NULL;
+  const base::Value* background_page_value = nullptr;
   if (!extension->manifest()->Get(key, &background_page_value))
     return true;
 
   std::string background_str;
   if (!background_page_value->GetAsString(&background_str)) {
     *error = ASCIIToUTF16(errors::kInvalidBackground);
     return false;
   }
 
   if (extension->is_hosted_app()) {
@@ skipping 38 matching lines @@
   return true;
 }
 
 bool BackgroundInfo::LoadBackgroundPersistent(const Extension* extension,
                                               base::string16* error) {
   if (extension->is_platform_app()) {
     is_persistent_ = false;
     return true;
   }
 
-  const base::Value* background_persistent = NULL;
+  const base::Value* background_persistent = nullptr;
   if (!extension->manifest()->Get(keys::kBackgroundPersistent,
                                   &background_persistent))
     return true;
 
   if (!background_persistent->GetAsBoolean(&is_persistent_)) {
     *error = ASCIIToUTF16(errors::kInvalidBackgroundPersistent);
     return false;
   }
 
   if (!has_background_page()) {
     *error = ASCIIToUTF16(errors::kInvalidBackgroundPersistentNoPage);
     return false;
   }
 
   return true;
 }
 
 bool BackgroundInfo::LoadAllowJSAccess(const Extension* extension,
                                        base::string16* error) {
-  const base::Value* allow_js_access = NULL;
+  const base::Value* allow_js_access = nullptr;
   if (!extension->manifest()->Get(keys::kBackgroundAllowJsAccess,
                                   &allow_js_access))
     return true;
 
   if (!allow_js_access->IsType(base::Value::TYPE_BOOLEAN) ||
       !allow_js_access->GetAsBoolean(&allow_js_access_)) {
     *error = ASCIIToUTF16(errors::kInvalidBackgroundAllowJsAccess);
     return false;
   }
 
@@ skipping 72 matching lines @@
 const std::vector<std::string> BackgroundManifestHandler::Keys() const {
   static const char* keys[] = {
       keys::kBackgroundAllowJsAccess,     keys::kBackgroundPage,
       keys::kBackgroundPageLegacy,        keys::kBackgroundPersistent,
       keys::kBackgroundScripts,           keys::kPlatformAppBackgroundPage,
       keys::kPlatformAppBackgroundScripts};
   return std::vector<std::string>(keys, keys + arraysize(keys));
 }
 
 }  // namespace extensions