[GN Build] Fix //net target on Mac

net/BUILD.gn

Index: net/BUILD.gn
diff --git a/net/BUILD.gn b/net/BUILD.gn
index 05da14c455c4adfbe96f9cd170fde82970530899..8a41e96a12d46a102bb3b9a6a0a8447401e70fc6 100644
--- a/net/BUILD.gn
+++ b/net/BUILD.gn
@@ -254,7 +254,6 @@ component("net") {
   } else {
     sources -= [
       "base/crypto_module_openssl.cc",
-      "base/keygen_handler_openssl.cc",
       "cert/ct_log_verifier_openssl.cc",
       "cert/ct_objects_extractor_openssl.cc",
       "cert/jwk_serializer_openssl.cc",
@@ -294,6 +293,7 @@ component("net") {
 
   if (!use_openssl_certs) {
     sources -= [
+      "base/keygen_handler_openssl.cc",
       "base/openssl_private_key_store.h",
       "base/openssl_private_key_store_memory.cc",
       "cert/cert_database_openssl.cc",
@@ -476,10 +476,12 @@ component("net") {
   }
 
   if (is_mac) {
-    deps += [
-      "//third_party/nss:nspr",
-      "//third_party/nss",
-    ]
+    if (!use_openssl) {
+      deps += [
+        "//third_party/nss:nspr",
+        "//third_party/nss",
+      ]
+    }
     libs = [
       "Foundation.framework",
       "Security.framework",