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

extensions/browser/extension_registry_unittest.cc

Index: extensions/browser/extension_registry_unittest.cc
diff --git a/extensions/browser/extension_registry_unittest.cc b/extensions/browser/extension_registry_unittest.cc
index 37bf40d500d6fe46510e7227f5a75c4b5303e82a..6ea6c280bbe2699dc4439e69b137c5bc44823b64 100644
--- a/extensions/browser/extension_registry_unittest.cc
+++ b/extensions/browser/extension_registry_unittest.cc
@@ -87,7 +87,7 @@ class TestObserver : public ExtensionRegistryObserver {
 };
 
 TEST_F(ExtensionRegistryTest, FillAndClearRegistry) {
-  ExtensionRegistry registry(NULL);
+  ExtensionRegistry registry(nullptr);
   scoped_refptr<Extension> extension1 = test_util::CreateEmptyExtension("id1");
   scoped_refptr<Extension> extension2 = test_util::CreateEmptyExtension("id2");
   scoped_refptr<Extension> extension3 = test_util::CreateEmptyExtension("id3");
@@ -121,7 +121,7 @@ TEST_F(ExtensionRegistryTest, FillAndClearRegistry) {
 
 // A simple test of adding and removing things from sets.
 TEST_F(ExtensionRegistryTest, AddAndRemoveExtensionFromRegistry) {
-  ExtensionRegistry registry(NULL);
+  ExtensionRegistry registry(nullptr);
 
   // Adding an extension works.
   scoped_refptr<Extension> extension = test_util::CreateEmptyExtension("id");
@@ -142,7 +142,7 @@ TEST_F(ExtensionRegistryTest, AddAndRemoveExtensionFromRegistry) {
 }
 
 TEST_F(ExtensionRegistryTest, AddExtensionToRegistryTwice) {
-  ExtensionRegistry registry(NULL);
+  ExtensionRegistry registry(nullptr);
   scoped_refptr<Extension> extension = test_util::CreateEmptyExtension("id");
 
   // An extension can exist in two sets at once. It would be nice to eliminate
@@ -157,7 +157,7 @@ TEST_F(ExtensionRegistryTest, AddExtensionToRegistryTwice) {
 }
 
 TEST_F(ExtensionRegistryTest, GetExtensionById) {
-  ExtensionRegistry registry(NULL);
+  ExtensionRegistry registry(nullptr);
 
   // Trying to get an extension fails cleanly when the sets are empty.
   EXPECT_FALSE(
@@ -235,7 +235,7 @@ TEST_F(ExtensionRegistryTest, GetExtensionById) {
 }
 
 TEST_F(ExtensionRegistryTest, Observer) {
-  ExtensionRegistry registry(NULL);
+  ExtensionRegistry registry(nullptr);
   TestObserver observer;
   registry.AddObserver(&observer);