Remove base/thread_task_runner_handle.h dummy.

base/base.gypi

 # Copyright (c) 2012 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.
 
 {
   'includes': [
     'trace_event/trace_event.gypi',
   ],
   'target_defaults': {
     'variables': {
@@ skipping 655 matching lines @@
           'template_util.h',
           'third_party/dmg_fp/dmg_fp.h',
           'third_party/dmg_fp/dtoa_wrapper.cc',
           'third_party/dmg_fp/g_fmt.cc',
           'third_party/icu/icu_utf.cc',
           'third_party/icu/icu_utf.h',
           'third_party/nspr/prtime.cc',
           'third_party/nspr/prtime.h',
           'third_party/superfasthash/superfasthash.c',
           'third_party/xdg_mime/xdgmime.h',
-          'thread_task_runner_handle.h',
           'threading/non_thread_safe.h',
           'threading/non_thread_safe_impl.cc',
           'threading/non_thread_safe_impl.h',
           'threading/platform_thread.h',
           'threading/platform_thread_android.cc',
           'threading/platform_thread_internal_posix.cc',
           'threading/platform_thread_internal_posix.h',
           'threading/platform_thread_linux.cc',
           'threading/platform_thread_mac.mm',
           'threading/platform_thread_posix.cc',
@@ skipping 407 matching lines @@
           'i18n/time_formatting.h',
           'i18n/timezone.cc',
           'i18n/timezone.h',
           'i18n/utf8_validator_tables.cc',
           'i18n/utf8_validator_tables.h',
         ],
       }]
     ],
   },
 }