GN: forward_variables_from shouldn't clobber vars.

third_party/netty-tcnative/BUILD.gn

 # Copyright 2016 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.
 
 # Builds the Netty fork of Tomcat Native. See http://netty.io/wiki/forked-tomcat-native.html
 
 import("//build/config/android/config.gni")
 import("//build/config/android/rules.gni")
 
 # Builds the native part of netty-tcnative library.
@@ skipping 80 matching lines @@
     "src/java/src/org/apache/tomcat/jni/SSLContext.java",
     "src/java/src/org/apache/tomcat/jni/SSLExt.java",
     "src/java/src/org/apache/tomcat/jni/SSL.java",
     "src/java/src/org/apache/tomcat/jni/SSLSocket.java",
     "src/java/src/org/apache/tomcat/jni/Status.java",
     "src/java/src/org/apache/tomcat/jni/Stdlib.java",
     "src/java/src/org/apache/tomcat/jni/Thread.java",
     "src/java/src/org/apache/tomcat/jni/Time.java",
     "src/java/src/org/apache/tomcat/jni/User.java",
   ]
-  run_findbugs = false
+  run_findbugs_override = false
   deps = [
     "//base:base_java",
   ]
 }
 
 # Builds both the Java and native parts of netty-tcnative library.
 group("netty-tcnative_all") {
   deps = [
     ":netty-tcnative",
     ":netty-tcnative-so",
   ]
   public_deps = [
     ":netty-tcnative-so",
   ]
 }