Consolidate RecordBrowserStartupTime() into one location

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,
     },
     'target_conditions': [
@@ skipping 247 matching lines @@
           'pickle.cc',
           'pickle.h',
           'platform_file.cc',
           'platform_file.h',
           'platform_file_posix.cc',
           'platform_file_win.cc',
           'port.h',
           'posix/unix_domain_socket.cc',
           'posix/unix_domain_socket.h',
           'process.h',
+          'process_info.h',
+          'process_info_mac.cc',
+          'process_info_win.cc',
           'process_linux.cc',
           'process_posix.cc',
           'process_util.cc',
           'process_util.h',
           'process_util_freebsd.cc',
           'process_util_linux.cc',
           'process_util_mac.mm',
           'process_util_openbsd.cc',
           'process_util_posix.cc',
           'process_util_win.cc',
@@ skipping 53 matching lines @@
           'synchronization/condition_variable_win.cc',
           'synchronization/lock.cc',
           'synchronization/lock.h',
           'synchronization/lock_impl.h',
           'synchronization/lock_impl_posix.cc',
           'synchronization/lock_impl_win.cc',
           'synchronization/spin_wait.h',
           'synchronization/waitable_event.h',
           'synchronization/waitable_event_posix.cc',
           'synchronization/waitable_event_watcher.h',
-          'synchronization/waitable_event_watcher_posix.cc',     
+          'synchronization/waitable_event_watcher_posix.cc',
           'synchronization/waitable_event_watcher_win.cc',
           'synchronization/waitable_event_win.cc',
           'system_monitor/system_monitor.cc',
           'system_monitor/system_monitor.h',
           'system_monitor/system_monitor_android.cc',
           'system_monitor/system_monitor_mac.mm',
           'system_monitor/system_monitor_posix.cc',
           'system_monitor/system_monitor_win.cc',
           'sys_byteorder.h',
           'sys_info.h',
@@ skipping 260 matching lines @@
           ['<(chromeos)!=1 or >(nacl_untrusted_build)==1', {
             'sources/': [
               ['exclude', '^chromeos/'],
             ],
           }],
         ],
       }],
     ],
   },
 }