Revert of Revert "Remove CpuMonitor and related, unused, code."

webrtc/base/base_tests.gyp

 # Copyright (c) 2013 The WebRTC project authors. All Rights Reserved.
 #
 # Use of this source code is governed by a BSD-style license
 # that can be found in the LICENSE file in the root of the source
 # tree. An additional intellectual property rights grant can be found
 # in the file PATENTS.  All contributing project authors may
 # be found in the AUTHORS file in the root of the source tree.
 {
   'includes': [ '../build/common.gypi', ],
   'targets': [
     {
       'target_name': 'rtc_base_tests_utils',
       'type': 'static_library',
       'sources': [
         'unittest_main.cc',
         # Also use this as a convenient dumping ground for misc files that are
         # included by multiple targets below.
-        'fakecpumonitor.h',
         'fakenetwork.h',
         'fakesslidentity.h',
         'faketaskrunner.h',
         'gunit.h',
         'testbase64.h',
         'testechoserver.h',
         'testutils.h',
       ],
       'defines': [
         'GTEST_RELATIVE_PATH',
@@ skipping 22 matching lines @@
           'bandwidthsmoother_unittest.cc',
           'base64_unittest.cc',
           'basictypes_unittest.cc',
           'bind_unittest.cc',
           'bitbuffer_unittest.cc',
           'buffer_unittest.cc',
           'bufferqueue_unittest.cc',
           'bytebuffer_unittest.cc',
           'byteorder_unittest.cc',
           'callback_unittest.cc',
-          'cpumonitor_unittest.cc',
           'crc32_unittest.cc',
           'criticalsection_unittest.cc',
           'event_tracer_unittest.cc',
           'event_unittest.cc',
           'exp_filter_unittest.cc',
           'filerotatingstream_unittest.cc',
           'fileutils_unittest.cc',
           'helpers_unittest.cc',
           'httpbase_unittest.cc',
           'httpcommon_unittest.cc',
@@ skipping 86 matching lines @@
           ['OS=="ios" or (OS=="mac" and target_arch!="ia32")', {
             'defines': [
               'CARBON_DEPRECATED=YES',
             ],
           }],
         ],  # conditions
       },
     },
   ],
 }