tools/gn: Remove fallback to direct_dependent_configs.

tools/gn/target_generator.cc

 // 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.
 
 #include "tools/gn/target_generator.h"
 
 #include "tools/gn/action_target_generator.h"
 #include "tools/gn/binary_target_generator.h"
 #include "tools/gn/build_settings.h"
 #include "tools/gn/config.h"
@@ skipping 165 matching lines @@
 }
 
 bool TargetGenerator::FillConfigs() {
   return FillGenericConfigs(variables::kConfigs, &target_->configs());
 }
 
 bool TargetGenerator::FillDependentConfigs() {
   if (!FillGenericConfigs(variables::kAllDependentConfigs,
                           &target_->all_dependent_configs()))
     return false;
+
   if (!FillGenericConfigs(variables::kPublicConfigs,
                           &target_->public_configs()))
     return false;
 
-  // "public_configs" was previously named "direct_dependent_configs", fall
-  // back to that if public_configs was undefined.
-  if (!scope_->GetValue(variables::kPublicConfigs, false)) {
-    if (!FillGenericConfigs("direct_dependent_configs",
-                            &target_->public_configs()))
-      return false;
-  }
   return true;
 }
 
 bool TargetGenerator::FillData() {
   const Value* value = scope_->GetValue(variables::kData, true);
   if (!value)
     return true;
   if (!value->VerifyTypeIs(Value::LIST, err_))
     return false;
 
@@ skipping 162 matching lines @@
 bool TargetGenerator::FillForwardDependentConfigs() {
   const Value* value = scope_->GetValue(
       variables::kForwardDependentConfigsFrom, true);
   if (value) {
     ExtractListOfUniqueLabels(*value, scope_->GetSourceDir(),
                               ToolchainLabelForScope(scope_),
                               &target_->forward_dependent_configs(), err_);
   }
   return !err_->has_error();
 }