Windows GN component build fixes.

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/android/config.gni")
 import("//build/config/arm.gni")
 import("//build/config/mips.gni")
 
 # Because standalone V8 builds are not supported, assume this is part of a
 # Chromium build.
@@ skipping 1509 matching lines @@
     }
 
     configs -= [ "//build/config/compiler:chromium_code" ]
     configs += [ "//build/config/compiler:no_chromium_code" ]
     configs += [
       ":internal_config",
       ":features",
       ":toolchain",
     ]
 
-    direct_dependent_configs = [ ":external_config" ]
+    public_configs = [ ":external_config" ]
 
     libs = []
     if (is_android && current_toolchain != host_toolchain) {
       libs += [ "log" ]
     }
   }
 } else {
   group("v8") {
     if (v8_use_snapshot && v8_use_external_startup_data) {
       deps = [
         ":v8_base",
         ":v8_external_snapshot",
       ]
     } else if (v8_use_snapshot) {
       deps = [
         ":v8_base",
         ":v8_snapshot",
       ]
     } else {
       assert(!v8_use_external_startup_data)
       deps = [
         ":v8_base",
         ":v8_nosnapshot",
       ]
     }
 
-    direct_dependent_configs = [ ":external_config" ]
+    public_configs = [ ":external_config" ]
   }
 }
 
 if ((current_toolchain == host_toolchain && v8_toolset_for_d8 == "host") ||
     (current_toolchain != host_toolchain && v8_toolset_for_d8 == "target")) {
   executable("d8") {
     sources = [
       "src/d8.cc",
       "src/d8.h",
       "src/startup-data-util.h",
       "src/startup-data-util.cc",
     ]
 
     configs -= [ "//build/config/compiler:chromium_code" ]
     configs += [ "//build/config/compiler:no_chromium_code" ]
     configs += [
-      ":internal_config",
+      # Note: don't use :internal_config here because this target will get
+      # the :external_config applied to it by virtue of depending on :v8, and
+      # you can't have both applied to the same target.
+      ":internal_config_base",
       ":features",
       ":toolchain",
     ]
 
     deps = [
       ":d8_js2c",
       ":v8",
       ":v8_libplatform",
       "//build/config/sanitizers:deps",
     ]
@@ skipping 10 matching lines @@
       sources += [
         "src/d8-debug.cc",
         "$target_gen_dir/d8-js.cc",
       ]
     }
     if (v8_enable_i18n_support) {
       deps += [ "//third_party/icu" ]
     }
   }
 }