Address more TOOD(GYP) in GN build.

net/BUILD.gn

 # Copyright (c) 2013 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/buildflag_header.gni")
 import("//build/config/chromecast_build.gni")
 import("//build/config/compiler/compiler.gni")
 import("//build/config/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
@@ skipping 54 matching lines @@
   if (disable_file_support) {
     defines += [ "DISABLE_FILE_SUPPORT" ]
   }
   if (disable_ftp_support) {
     defines += [ "DISABLE_FTP_SUPPORT=1" ]
   }
 }
 
 config("net_internal_config") {
   defines = [
-    # TODO(GYP) Note that the GYP file supports linux_link_kerberos (defaults to

[brettw, 2016/05/10 19:51:33]

I suspect we never need the capability described in the comment since it's never
tested and nobody has complained.

-    # 0) which implies that we run pkg_config on kerberos and link to that
-    # rather than setting this define which will dynamically open it. That
-    # doesn't seem to be set in the regular builds, so we're skipping this
-    # capability here.
     "DLOPEN_KERBEROS",
     "NET_IMPLEMENTATION",
   ]
 
   if (use_kerberos) {
     defines += [ "USE_KERBEROS" ]
     if (is_android) {
       include_dirs = [ "/usr/include/kerberosV" ]
     }
   }
@@ skipping 1908 matching lines @@
     "url_request/url_request_fuzzer.cc",
   ]
   deps = [
     ":net_fuzzer_test_support",
     ":test_support",
     "//base",
     "//net",
   ]
   dict = "data/http/http.dict"
 }