Move base32 into base so that it can be used within base.

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 216 matching lines @@
     "at_exit.cc",
     "at_exit.h",
     "atomic_ref_count.h",
     "atomic_sequence_num.h",
     "atomicops.h",
     "atomicops_internals_portable.h",
     "atomicops_internals_x86_msvc.h",
     "auto_reset.h",
     "barrier_closure.cc",
     "barrier_closure.h",
+    "base32.cc",
+    "base32.h",
     "base64.cc",
     "base64.h",
     "base64url.cc",
     "base64url.h",
     "base_export.h",
     "base_switches.h",
     "big_endian.cc",
     "big_endian.h",
     "bind.h",
     "bind_helpers.cc",
@@ skipping 1556 matching lines @@
     "android/jni_array_unittest.cc",
     "android/jni_string_unittest.cc",
     "android/library_loader/library_prefetcher_unittest.cc",
     "android/path_utils_unittest.cc",
     "android/scoped_java_ref_unittest.cc",
     "android/sys_utils_unittest.cc",
     "android/unguessable_token_android_unittest.cc",
     "at_exit_unittest.cc",
     "atomicops_unittest.cc",
     "barrier_closure_unittest.cc",
+    "base32_unittest.cc",
     "base64_unittest.cc",
     "base64url_unittest.cc",
     "big_endian_unittest.cc",
     "bind_helpers_unittest.cc",
     "bind_unittest.cc",
     "bit_cast_unittest.cc",
     "bits_unittest.cc",
     "build_time_unittest.cc",
     "callback_helpers_unittest.cc",
     "callback_list_unittest.cc",
@@ skipping 719 matching lines @@
 }
 
 fuzzer_test("base_json_correctness_fuzzer") {
   sources = [
     "json/correctness_fuzzer.cc",
   ]
   deps = [
     ":base",
   ]
 }