Refactor thread_local.h's TLS Implementation to use ThreadLocalStorage

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 835 matching lines @@
     "threading/thread.cc",
     "threading/thread.h",
     "threading/thread_checker.h",
     "threading/thread_checker_impl.cc",
     "threading/thread_checker_impl.h",
     "threading/thread_collision_warner.cc",
     "threading/thread_collision_warner.h",
     "threading/thread_id_name_manager.cc",
     "threading/thread_id_name_manager.h",
     "threading/thread_local.h",
-    "threading/thread_local_android.cc",
-    "threading/thread_local_posix.cc",
     "threading/thread_local_storage.cc",
     "threading/thread_local_storage.h",
     "threading/thread_local_storage_posix.cc",
     "threading/thread_local_storage_win.cc",
-    "threading/thread_local_win.cc",
     "threading/thread_restrictions.cc",
     "threading/thread_restrictions.h",
     "threading/thread_task_runner_handle.cc",
     "threading/thread_task_runner_handle.h",
     "threading/watchdog.cc",
     "threading/watchdog.h",
     "threading/worker_pool.cc",
     "threading/worker_pool.h",
     "threading/worker_pool_posix.cc",
     "threading/worker_pool_posix.h",
@@ skipping 1576 matching lines @@
     testonly = true
     deps = [
       ":base_java",
     ]
     java_files = [
       "test/android/java/src/org/chromium/base/ContentUriTestUtils.java",
       "test/android/java/src/org/chromium/base/TestSystemMessageHandler.java",
     ]
   }
 }