GN Don't enable linker version script for components

base/BUILD.gn

Index: base/BUILD.gn
diff --git a/base/BUILD.gn b/base/BUILD.gn
index 6ebec967b9ab2e76bf487171c074ccce0c0c581b..d5b815d207a85f98da84aba2243da59f3c8291c7 100644
--- a/base/BUILD.gn
+++ b/base/BUILD.gn
@@ -109,21 +109,14 @@ config("android_system_libs") {
 # to be linked in where they wouldn't have otherwise. This does not include
 # test code (test support and anything in the test directory) which should use
 # source_set as is recommended for GN targets).
-if (is_component_build) {
-  base_target_type = "shared_library"
-} else {
+component("base") {
   # TODO(phosek) bug 570839: If field_trial.cc is in a static library,
   # hacl_helper_nonsfi doesn't link properly on Linux in debug builds. The
   # reasons for this seem to involve obscure toolchain bugs. This should be
   # fixed and this target should always be a static_library in the
   # non-component case.
-  if (is_nacl_nonsfi) {
-    base_target_type = "source_set"
-  } else {
-    base_target_type = "static_library"
-  }
-}
-target(base_target_type, "base") {
+  component_never_use_source_set = !is_nacl_nonsfi
+
   sources = [
     "allocator/allocator_extension.cc",
     "allocator/allocator_extension.h",