Fix GN bootstrap

TBR=brettw

BUG=none

Review-Url: https://codereview.chromium.org/2903693002 .
Cr-Commit-Position: refs/heads/master@{#474017}

tools/gn/bootstrap/bootstrap.py

@@ -551,6 +551,7 @@ def write_gn_ninja(path, root_gen_dir, options):
       'base/trace_event/process_memory_dump.cc',
       'base/trace_event/process_memory_maps.cc',
       'base/trace_event/process_memory_totals.cc',
+      'base/trace_event/sharded_allocation_register.cc',
       'base/trace_event/trace_buffer.cc',
       'base/trace_event/trace_config.cc',
       'base/trace_event/trace_config_category_filter.cc',
@@ -600,7 +601,9 @@ def write_gn_ninja(path, root_gen_dir, options):
         'base/threading/platform_thread_posix.cc',
         'base/threading/thread_local_storage_posix.cc',
         'base/threading/worker_pool_posix.cc',
-        'base/time/time_posix.cc',
+        'base/time/time_conversion_posix.cc',
+        'base/time/time_exploded_posix.cc',
+        'base/time/time_now_posix.cc',
         'base/trace_event/heap_profiler_allocation_register_posix.cc',
     ])
     static_libraries['libevent'] = {