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

extensions/browser/info_map_unittest.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 "base/message_loop/message_loop.h"
 #include "base/path_service.h"
 #include "content/public/test/test_browser_thread.h"
 #include "extensions/browser/info_map.h"
 #include "extensions/common/extension.h"
 #include "extensions/common/extension_paths.h"
@@ skipping 51 matching lines @@
   EXPECT_TRUE(extension2->HasOneRef());
   EXPECT_TRUE(extension3->HasOneRef());
 
   // Add a ref to each extension and give it to the info map.
   info_map->AddExtension(extension1.get(), base::Time(), false, false);
   info_map->AddExtension(extension2.get(), base::Time(), false, false);
   info_map->AddExtension(extension3.get(), base::Time(), false, false);
 
   // Release extension1, and the info map should have the only ref.
   const Extension* weak_extension1 = extension1.get();
-  extension1 = NULL;
+  extension1 = nullptr;
   EXPECT_TRUE(weak_extension1->HasOneRef());
 
   // Remove extension2, and the extension2 object should have the only ref.
   info_map->RemoveExtension(
       extension2->id(), extensions::UnloadedExtensionInfo::REASON_UNINSTALL);
   EXPECT_TRUE(extension2->HasOneRef());
 
   // Delete the info map, and the extension3 object should have the only ref.
-  info_map = NULL;
+  info_map = nullptr;
   EXPECT_TRUE(extension3->HasOneRef());
 }
 
 // Tests that we can query a few extension properties from the InfoMap.
 TEST_F(InfoMapTest, Properties) {
   scoped_refptr<InfoMap> info_map(new InfoMap());
 
   scoped_refptr<Extension> extension1(CreateExtension("extension1"));
   scoped_refptr<Extension> extension2(CreateExtension("extension2"));
 
@@ skipping 33 matching lines @@
   EXPECT_TRUE(does_not_exist_path.empty());
 
   // A file does not need to exist to be mapped to a path with the non-blocking
   // API. This avoids hitting the disk to see if it exists.
   EXPECT_TRUE(info_map->MapUrlToLocalFilePath(
       does_not_exist_url, false /* use_blocking_api */, &does_not_exist_path));
   EXPECT_FALSE(does_not_exist_path.empty());
 }
 
 }  // namespace extensions