Make the ChromeOS GN debug component build work

third_party/libjingle/BUILD.gn

 # Copyright 2014 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.
 
 import("//build/config/crypto.gni")
 import("//build/config/features.gni")
 
 # From third_party/libjingle/libjingle.gyp's target_defaults.
 config("jingle_unexported_configs") {
   defines = [
@@ skipping 512 matching lines @@
       "source/talk/media/webrtc/webrtcvoiceengine.cc",
       "source/talk/media/webrtc/webrtcvoiceengine.h",
     ]
 
     configs += [ ":jingle_unexported_configs" ]
     public_configs = [ ":jingle_public_configs" ]
     configs -= [ "//build/config/compiler:chromium_code" ]
     configs += [ "//build/config/compiler:no_chromium_code" ]
 
     deps = [
+      # TODO(GYP): crbug.com/481633. Consider depending on :libjingle_webrtc
+      # instead.
       ":libjingle_webrtc_common",
       "//third_party/webrtc",
       "//third_party/webrtc/system_wrappers",
       "//third_party/webrtc/voice_engine",
     ]
   }
 }  # enable_webrtc
 # TODO(GYP): Port libjingle.gyp's enable_webrtc condition block.