GN: Exclude suppressions of Chromium Clang warnings for Chromium builds.

webrtc/test/fuzzers/BUILD.gn

Index: webrtc/test/fuzzers/BUILD.gn
diff --git a/webrtc/test/fuzzers/BUILD.gn b/webrtc/test/fuzzers/BUILD.gn
index 2b0663e81d21e5b9700a137e1d98b961e8a51b80..c04a95f6adc9a6afc3663359f63e8f36489261a1 100644
--- a/webrtc/test/fuzzers/BUILD.gn
+++ b/webrtc/test/fuzzers/BUILD.gn
@@ -25,9 +25,8 @@ template("webrtc_fuzzer_test") {
   fuzzer_test(target_name) {
     forward_variables_from(invoker, "*")
     deps += [ ":webrtc_fuzzer_main" ]
-    if (is_clang) {
-      # Suppress warnings from Chrome's Clang plugins.
-      # See http://code.google.com/p/webrtc/issues/detail?id=163 for details
+    if (!build_with_chromium && is_clang) {
+      # Suppress warnings from the Chromium Clang plugin (bugs.webrtc.org/163).
       suppressed_configs = [ "//build/config/clang:find_bad_constructs" ]
     }
   }