Temporary commit to evaluate perf impact of prototype CPU profiler

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 482 matching lines @@
           'process/process_metrics_ios.cc',
           'process/process_metrics_linux.cc',
           'process/process_metrics_mac.cc',
           'process/process_metrics_openbsd.cc',
           'process/process_metrics_posix.cc',
           'process/process_metrics_win.cc',
           'process/process_posix.cc',
           'process/process_win.cc',
           'profiler/alternate_timer.cc',
           'profiler/alternate_timer.h',
+          'profiler/cpu_profiler.cc',
+          'profiler/cpu_profiler.h',
+          'profiler/cpu_profiler_posix.cc',
+          'profiler/cpu_profiler_win.cc',
           'profiler/scoped_profile.cc',
           'profiler/scoped_profile.h',
           'profiler/scoped_tracker.cc',
           'profiler/scoped_tracker.h',
           'profiler/tracked_time.cc',
           'profiler/tracked_time.h',
           'rand_util.cc',
           'rand_util.h',
           'rand_util_nacl.cc',
           'rand_util_posix.cc',
@@ skipping 530 matching lines @@
           'i18n/time_formatting.h',
           'i18n/timezone.cc',
           'i18n/timezone.h',
           'i18n/utf8_validator_tables.cc',
           'i18n/utf8_validator_tables.h',
         ],
       }]
     ],
   },
 }