Remove unneeded JNI registrations.

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.
 
 {
   'target_defaults': {
     'variables': {
       'base_target': 0,
       'base_i18n_target': 0,
     },
@@ skipping 22 matching lines @@
           'android/build_info.cc',
           'android/build_info.h',
           'android/command_line_android.cc',
           'android/command_line_android.h',
           'android/content_uri_utils.cc',
           'android/content_uri_utils.h',
           'android/cpu_features.cc',
           'android/fifo_utils.cc',
           'android/fifo_utils.h',
           'android/important_file_writer_android.cc',
-          'android/important_file_writer_android.h',
           'android/scoped_java_ref.cc',
           'android/scoped_java_ref.h',
           'android/jni_android.cc',
           'android/jni_android.h',
           'android/jni_array.cc',
           'android/jni_array.h',
           'android/jni_helper.cc',
           'android/jni_helper.h',
           'android/jni_registrar.cc',
           'android/jni_registrar.h',
           'android/jni_string.cc',
           'android/jni_string.h',
           'android/library_loader/library_loader_hooks.cc',
           'android/library_loader/library_loader_hooks.h',
           'android/memory_pressure_listener_android.cc',
           'android/memory_pressure_listener_android.h',
           'android/java_handler_thread.cc',
           'android/java_handler_thread.h',
           'android/path_service_android.cc',
-          'android/path_service_android.h',
           'android/path_utils.cc',
           'android/path_utils.h',
           'android/sys_utils.cc',
           'android/sys_utils.h',
           'android/thread_utils.h',
           'android/trace_event_binding.cc',
-          'android/trace_event_binding.h',
           'at_exit.cc',
           'at_exit.h',
           'atomic_ref_count.h',
           'atomic_sequence_num.h',
           'atomicops.h',
           'atomicops_internals_gcc.h',
           'atomicops_internals_mac.h',
           'atomicops_internals_tsan.h',
           'atomicops_internals_x86_gcc.cc',
           'atomicops_internals_x86_gcc.h',
@@ skipping 886 matching lines @@
           'i18n/time_formatting.h',
           'i18n/timezone.cc',
           'i18n/timezone.h',
           'i18n/utf8_validator_tables.cc',
           'i18n/utf8_validator_tables.h',
         ],
       }]
     ],
   },
 }