Replace last remaining NULLs in gfe/quic with nullptr. No behavior change.

net/quic/crypto/chacha20_poly1305_decrypter_test.cc

Index: net/quic/crypto/chacha20_poly1305_decrypter_test.cc
diff --git a/net/quic/crypto/chacha20_poly1305_decrypter_test.cc b/net/quic/crypto/chacha20_poly1305_decrypter_test.cc
index ed7239c44b5a70b45aa32bb6dbc1c83fc20f3ed4..665595dd7f553924cffc864b73725b1bfc6a4eb5 100644
--- a/net/quic/crypto/chacha20_poly1305_decrypter_test.cc
+++ b/net/quic/crypto/chacha20_poly1305_decrypter_test.cc
@@ -14,7 +14,7 @@ namespace {
 // The test vectors come from draft-agl-tls-chacha20poly1305-04 Section 7.
 
 // Each test vector consists of six strings of lowercase hexadecimal digits.
-// The strings may be empty (zero length). A test vector with a NULL |key|
+// The strings may be empty (zero length). A test vector with a nullptr |key|
 // marks the end of an array of test vectors.
 struct TestVector {
   // Input:
@@ -30,39 +30,39 @@ struct TestVector {
 };
 
 const TestVector test_vectors[] = {
-  { "4290bcb154173531f314af57f3be3b5006da371ece272afa1b5dbdd110"
+    {"4290bcb154173531f314af57f3be3b5006da371ece272afa1b5dbdd110"
+     "0a1007",
+     "cd7cf67be39c794a", "87e229d4500845a079c0",
+     "e3e446f7ede9a19b62a4677dabf4e3d24b876bb28475",  // "3896e1d6" truncated.
+     "86d09974840bded2a5ca"},
+    // Modify the ciphertext (ChaCha20 encryption output).
+    {
+        "4290bcb154173531f314af57f3be3b5006da371ece272afa1b5dbdd110"
         "0a1007",
-    "cd7cf67be39c794a",
-    "87e229d4500845a079c0",
-    "e3e446f7ede9a19b62a4677dabf4e3d24b876bb28475",  // "3896e1d6" truncated.
-    "86d09974840bded2a5ca"
-  },
-  // Modify the ciphertext (ChaCha20 encryption output).
-  { "4290bcb154173531f314af57f3be3b5006da371ece272afa1b5dbdd110"
+        "cd7cf67be39c794a", "87e229d4500845a079c0",
+        "f3e446f7ede9a19b62a4677dabf4e3d24b876bb28475",  // "3896e1d6"
+                                                         // truncated.
+        nullptr                                          // FAIL
+    },
+    // Modify the ciphertext (Poly1305 authenticator).
+    {
+        "4290bcb154173531f314af57f3be3b5006da371ece272afa1b5dbdd110"
         "0a1007",
-    "cd7cf67be39c794a",
-    "87e229d4500845a079c0",
-    "f3e446f7ede9a19b62a4677dabf4e3d24b876bb28475",  // "3896e1d6" truncated.
-    NULL  // FAIL
-  },
-  // Modify the ciphertext (Poly1305 authenticator).
-  { "4290bcb154173531f314af57f3be3b5006da371ece272afa1b5dbdd110"
+        "cd7cf67be39c794a", "87e229d4500845a079c0",
+        "e3e446f7ede9a19b62a4677dabf4e3d24b876bb28476",  // "3896e1d6"
+                                                         // truncated.
+        nullptr                                          // FAIL
+    },
+    // Modify the associated data.
+    {
+        "4290bcb154173531f314af57f3be3b5006da371ece272afa1b5dbdd110"
         "0a1007",
-    "cd7cf67be39c794a",
-    "87e229d4500845a079c0",
-    "e3e446f7ede9a19b62a4677dabf4e3d24b876bb28476",  // "3896e1d6" truncated.
-    NULL  // FAIL
-  },
-  // Modify the associated data.
-  { "4290bcb154173531f314af57f3be3b5006da371ece272afa1b5dbdd110"
-        "0a1007",
-    "dd7cf67be39c794a",
-    "87e229d4500845a079c0",
-    "e3e446f7ede9a19b62a4677dabf4e3d24b876bb28475",  // "3896e1d6" truncated.
-    NULL  // FAIL
-  },
-  { NULL }
-};
+        "dd7cf67be39c794a", "87e229d4500845a079c0",
+        "e3e446f7ede9a19b62a4677dabf4e3d24b876bb28475",  // "3896e1d6"
+                                                         // truncated.
+        nullptr                                          // FAIL
+    },
+    {nullptr}};
 
 }  // namespace