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

webrtc/libjingle/xmpp/BUILD.gn

 # Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
 #
 # Use of this source code is governed by a BSD-style license
 # that can be found in the LICENSE file in the root of the source
 # tree. An additional intellectual property rights grant can be found
 # in the file PATENTS.  All contributing project authors may
 # be found in the AUTHORS file in the root of the source tree.
 
 import("../../build/webrtc.gni")
 
@@ skipping 121 matching lines @@
       "xmppsocket.h",
       "xmppthread.cc",
       "xmppthread.h",
     ]
 
     defines += [
       "FEATURE_ENABLE_VOICEMAIL",
       "FEATURE_ENABLE_PSTN",
     ]
 
-    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" ]
     }
   }
 
   if (is_posix && is_debug) {
     # The Chromium build/common.gypi defines this for all posix
     # _except_ for ios & mac.  We want it there as well, e.g.
     # because ASSERT and friends trigger off of it.
     defines += [ "_DEBUG" ]
   }
 }