metrics: Add leak detector controller in Chrome OS metrics system

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 984 matching lines @@
       'browser/download/notification/download_notification.cc',
       'browser/download/notification/download_notification.h',
       'browser/download/notification/download_notification_manager.cc',
       'browser/download/notification/download_notification_manager.h',
       'browser/media/protected_media_identifier_permission_context.cc',
       'browser/media/protected_media_identifier_permission_context.h',
       'browser/media/protected_media_identifier_permission_context_factory.cc',
       'browser/media/protected_media_identifier_permission_context_factory.h',
       'browser/metrics/chromeos_metrics_provider.cc',
       'browser/metrics/chromeos_metrics_provider.h',
+      'browser/metrics/leak_detector_controller.cc',
+      'browser/metrics/leak_detector_controller.h',
       'browser/metrics/perf/cpu_identity.cc',
       'browser/metrics/perf/cpu_identity.h',
       'browser/metrics/perf/random_selector.cc',
       'browser/metrics/perf/random_selector.h',
       'browser/metrics/perf/windowed_incognito_observer.cc',
       'browser/metrics/perf/windowed_incognito_observer.h',
       # This is technically also dependent on enable_plugins but we don't
       # support ChromeOS with enable_plugins==0.
       'browser/renderer_host/pepper/pepper_platform_verification_message_filter.cc',
       'browser/renderer_host/pepper/pepper_platform_verification_message_filter.h',
@@ skipping 2368 matching lines @@
             '<(grit_out_dir)/grit/settings_resources_map.cc',
             '<(grit_out_dir)/grit/theme_resources_map.cc',
           ],
           'conditions': [
             ['toolkit_views==1', {
               'dependencies': [
                 '../ui/gfx/gfx.gyp:gfx_vector_icons',
                 '../ui/views/views.gyp:views'
               ],
             }],
+            ['enable_leak_detector==1', {
+              'dependencies': [
+                '../components/components.gyp:metrics_leak_detector',
+              ],
+            }],
           ],
         }, {  # OS == "ios"
           'dependencies': [
             '../net/net.gyp:net',
           ],
           # A few sources had been brought up for iOS before the decision not to
           # use chrome/ for iOS long-term. Keep building them to prevent iOS
           # regressions until they have been componentized.
           'sources': [
             '<@(chrome_browser_ios_sources)',
@@ skipping 791 matching lines @@
             '../components/components.gyp:omnibox_browser',
             '../components/components.gyp:rlz',
             '../components/components.gyp:search_engines',
             '../rlz/rlz.gyp:rlz_lib',
           ],
         },
       ],
     }],
   ],
 }