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

extensions/browser/api/socket/socket_apitest.cc

Index: extensions/browser/api/socket/socket_apitest.cc
diff --git a/extensions/browser/api/socket/socket_apitest.cc b/extensions/browser/api/socket/socket_apitest.cc
index edc5a84541cd8022fd19a7239aa64ae8bdf10dae..bdace64a63007ad69f04a2106c14ae60bd77b75c 100644
--- a/extensions/browser/api/socket/socket_apitest.cc
+++ b/extensions/browser/api/socket/socket_apitest.cc
@@ -26,7 +26,7 @@ IN_PROC_BROWSER_TEST_F(SocketApiTest, SocketUDPCreateGood) {
 
   scoped_ptr<base::Value> result(RunFunctionAndReturnSingleResult(
       socket_create_function.get(), "[\"udp\"]", browser_context()));
-  base::DictionaryValue* value = NULL;
+  base::DictionaryValue* value = nullptr;
   ASSERT_TRUE(result->GetAsDictionary(&value));
   int socket_id = -1;
   EXPECT_TRUE(value->GetInteger("socketId", &socket_id));
@@ -43,7 +43,7 @@ IN_PROC_BROWSER_TEST_F(SocketApiTest, SocketTCPCreateGood) {
 
   scoped_ptr<base::Value> result(RunFunctionAndReturnSingleResult(
       socket_create_function.get(), "[\"tcp\"]", browser_context()));
-  base::DictionaryValue* value = NULL;
+  base::DictionaryValue* value = nullptr;
   ASSERT_TRUE(result->GetAsDictionary(&value));
   int socket_id = -1;
   EXPECT_TRUE(value->GetInteger("socketId", &socket_id));
@@ -63,7 +63,7 @@ IN_PROC_BROWSER_TEST_F(SocketApiTest, GetNetworkList) {
 
   // If we're invoking socket tests, all we can confirm is that we have at
   // least one address, but not what it is.
-  base::ListValue* value = NULL;
+  base::ListValue* value = nullptr;
   ASSERT_TRUE(result->GetAsList(&value));
   ASSERT_GT(value->GetSize(), 0U);
 }