Extract guts of ChromeStabilityMetricsProvider into helper class

chrome/chrome_browser.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.
 
 {
   'variables': {
     # All .cc, .h, .m, and .mm files under browser except for:
     # * tests and mocks.
     # * code below browser/chromeos
     # * code below browser/extensions
@@ skipping 631 matching lines @@
       'browser/media/permission_bubble_media_access_handler.h',
       # TODO(brettw) should this go with the webrtc sources?
       'browser/media/webrtc_log_list.cc',
       'browser/media/webrtc_log_list.h',
       'browser/memory/oom_memory_details.cc',
       'browser/memory/oom_memory_details.h',
       'browser/memory/oom_priority_manager.cc',
       'browser/memory/oom_priority_manager.h',
       'browser/memory/oom_priority_manager_delegate_chromeos.cc',
       'browser/memory/oom_priority_manager_delegate_chromeos.h',
-      'browser/memory/system_memory_stats_recorder.h',
-      'browser/memory/system_memory_stats_recorder_linux.cc',
-      'browser/memory/system_memory_stats_recorder_win.cc',
       'browser/memory/tab_stats.cc',
       'browser/memory/tab_stats.h',
       'browser/memory_details.cc',
       'browser/memory_details.h',
       'browser/memory_details_android.cc',
       'browser/memory_details_linux.cc',
       'browser/memory_details_mac.cc',
       'browser/memory_details_win.cc',
       'browser/mod_pagespeed/mod_pagespeed_metrics.cc',
       'browser/mod_pagespeed/mod_pagespeed_metrics.h',
@@ skipping 2065 matching lines @@
       'browser/ssl/bad_clock_blocking_page.cc',
       'browser/ssl/bad_clock_blocking_page.h',
       'browser/ssl/cert_report_helper.cc',
       'browser/ssl/cert_report_helper.h',
       'browser/ssl/chrome_ssl_host_state_delegate.cc',
       'browser/ssl/chrome_ssl_host_state_delegate.h',
       'browser/ssl/chrome_ssl_host_state_delegate_factory.cc',
       'browser/ssl/chrome_ssl_host_state_delegate_factory.h',
       'browser/ssl/common_name_mismatch_handler.cc',
       'browser/ssl/common_name_mismatch_handler.h',
+      'browser/ssl/security_state_model.cc',
+      'browser/ssl/security_state_model.h',
       'browser/ssl/security_state_model_android.cc',
       'browser/ssl/security_state_model_android.h',
-      'browser/ssl/security_state_model.cc',
-      'browser/ssl/security_state_model.h',
       'browser/ssl/ssl_blocking_page.cc',
       'browser/ssl/ssl_blocking_page.h',
       'browser/ssl/ssl_cert_reporter.h',
       'browser/ssl/ssl_client_certificate_selector.h',
       'browser/ssl/ssl_error_classification.cc',
       'browser/ssl/ssl_error_classification.h',
       'browser/ssl/ssl_error_handler.cc',
       'browser/ssl/ssl_error_handler.h'
     ],
     'chrome_browser_supervised_user_sources': [
@@ skipping 1349 matching lines @@
             '../components/components.gyp:omnibox_browser',
             '../components/components.gyp:rlz',
             '../components/components.gyp:search_engines',
             '../rlz/rlz.gyp:rlz_lib',
           ],
         },
       ],
     }],
   ],
 }