build/config: No need to handle direct_dependent_configs in GN build.

build/config/BUILDCONFIG.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.
 
 # =============================================================================
 # PLATFORM SELECTION
 # =============================================================================
 #
 # There are two main things to set: "os" and "cpu". The "toolchain" is the name
 # of the GN thing that encodes combinations of these things.
@@ skipping 641 matching lines @@
 
       # All shared libraries must have the sanitizer deps to properly link in
       # asan mode (this target will be empty in other cases).
       if (defined(invoker.deps)) {
         deps = invoker.deps + [ "//build/config/sanitizers:deps" ]
       } else {
         deps = [
           "//build/config/sanitizers:deps",
         ]
       }
-      if (defined(invoker.direct_dependent_configs)) {
-        direct_dependent_configs = invoker.direct_dependent_configs
-      }
       if (defined(invoker.forward_dependent_configs_from)) {
         forward_dependent_configs_from = invoker.forward_dependent_configs_from
       }
       if (defined(invoker.include_dirs)) {
         include_dirs = invoker.include_dirs
       }
       if (defined(invoker.ldflags)) {
         ldflags = invoker.ldflags
       }
       if (defined(invoker.lib_dirs)) {
@@ skipping 68 matching lines @@
       }
       if (defined(invoker.datadeps)) {
         datadeps = invoker.datadeps
       }
       if (defined(invoker.defines)) {
         defines = invoker.defines
       }
       if (defined(invoker.deps)) {
         deps = invoker.deps
       }
-      if (defined(invoker.direct_dependent_configs)) {
-        direct_dependent_configs = invoker.direct_dependent_configs
-      }
       if (defined(invoker.forward_dependent_configs_from)) {
         forward_dependent_configs_from = invoker.forward_dependent_configs_from
       }
       if (defined(invoker.include_dirs)) {
         include_dirs = invoker.include_dirs
       }
       if (defined(invoker.ldflags)) {
         ldflags = invoker.ldflags
       }
       if (defined(invoker.lib_dirs)) {
@@ skipping 22 matching lines @@
       }
       if (defined(invoker.testonly)) {
         testonly = invoker.testonly
       }
       if (defined(invoker.visibility)) {
         visibility = invoker.visibility
       }
     }
   }
 }