Refactor MetricsLogChromeOS to ChromeOSMetricsProvider.

chrome/chrome_tests_unit.gypi

 # Copyright 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.
 {
   'targets': [
     {
       # This target contains mocks and test utilities that don't belong in
       # production libraries but are used by more than one test executable.
       'target_name': 'test_support_common',
       'type': 'static_library',
@@ skipping 2275 matching lines @@
             'browser/signin/signin_global_error_unittest.cc',
             'browser/signin/signin_manager_unittest.cc',
             'browser/signin/signin_names_io_thread_unittest.cc',
             'browser/sync/sync_global_error_unittest.cc',
             'browser/ui/sync/one_click_signin_helper_unittest.cc',
             'browser/ui/sync/one_click_signin_sync_starter_unittest.cc',
             'browser/ui/views/frame/opaque_browser_frame_view_layout_unittest.cc',
           ],
           'sources': [
             'browser/extensions/updater/local_extension_cache_unittest.cc',
+            'browser/metrics/chromeos_metrics_provider_unittest.cc',
           ],
           'sources/': [
             ['exclude', '^browser/ui/views/app_list/linux/'],
           ],
         }, { # else: chromeos == 0
           'sources/': [
             ['exclude', '^browser/chromeos/'],
             ['exclude', '^browser/ui/webui/chromeos/imageburner/'],
             ['exclude', '^browser/ui/webui/chromeos/login'],
             ['exclude', '^browser/ui/webui/options/chromeos/'],
@@ skipping 513 matching lines @@
             'unit_tests.isolate',
           ],
           'sources': [
             'unit_tests.isolate',
           ],
         },
       ],
     }],
   ],  # 'conditions'
 }