Use 'local-exec' for threadlocal_heap_ in tcmalloc.

base/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.
 
 # HOW TO WRITE CONDITIONALS IN THIS FILE
 # ======================================
 #
 # In many other places, one would write a conditional that expresses all the
 # cases when a source file is used or unused, and then either add or subtract
 # it from the sources list in that case
@@ skipping 2200 matching lines @@
       "CoreFoundation.framework",
       "Foundation.framework",
     ]
   }
 
   if (is_linux) {
     if (is_desktop_linux) {
       sources += [ "nix/xdg_util_unittest.cc" ]
     }
 
-    deps += [ "//base/test:malloc_wrapper" ]
-
-    if (!is_component_build) {
-      # Set rpath to find libmalloc_wrapper.so even in a non-component build.
-      configs += [ "//build/config/gcc:rpath_for_built_shared_libraries" ]
+    if (is_component_build) {
+      deps += [ "//base/test:malloc_wrapper" ]
     }
   }
 
   if (!use_glib) {
     sources -= [ "message_loop/message_pump_glib_unittest.cc" ]
   }
 
   if (is_posix && !is_ios) {
     sources += [ "message_loop/message_pump_libevent_unittest.cc" ]
     deps += [ "//base/third_party/libevent" ]
@@ skipping 352 matching lines @@
 }
 
 fuzzer_test("base_json_correctness_fuzzer") {
   sources = [
     "json/correctness_fuzzer.cc",
   ]
   deps = [
     ":base",
   ]
 }