components/metrics: Add runtime memory leak detector

components/components_tests.gyp

Index: components/components_tests.gyp
diff --git a/components/components_tests.gyp b/components/components_tests.gyp
index 17e37f0828924796eeb4776ba941e3f587fa144d..89e06a42521479f548398a956927b1cd4cf94432 100644
--- a/components/components_tests.gyp
+++ b/components/components_tests.gyp
@@ -313,6 +313,13 @@
       'metrics/profiler/profiler_metrics_provider_unittest.cc',
       'metrics/profiler/tracking_synchronizer_unittest.cc',
     ],
+    'metrics_leak_detector_unittest_sources': [
+      'metrics/leak_detector/call_stack_manager_unittest.cc',
+      'metrics/leak_detector/call_stack_table_unittest.cc',
+      'metrics/leak_detector/leak_analyzer_unittest.cc',
+      'metrics/leak_detector/leak_detector_impl_unittest.cc',
+      'metrics/leak_detector/ranked_list_unittest.cc',
+    ],
     'mime_util_unittest_sources': [
       'mime_util/mime_util_unittest.cc',
     ],
@@ -1092,6 +1099,9 @@
           ],
         }],
         ['chromeos==1', {
+          'include_dirs': [
+            '../third_party/tcmalloc/chromium/src',
+          ],
           'sources': [
             'pairing/message_buffer_unittest.cc',
             'timers/alarm_timer_unittest.cc',
@@ -1100,6 +1110,7 @@
             'wifi_sync/wifi_credential_unittest.cc',
             'wifi_sync/wifi_security_class_chromeos_unittest.cc',
             'wifi_sync/wifi_security_class_unittest.cc',
+            '<@(metrics_leak_detector_unittest_sources)',
             '<@(ownership_unittest_sources)',
           ],
           'sources!': [
@@ -1107,6 +1118,7 @@
           ],
           'dependencies': [
             '../chromeos/chromeos.gyp:chromeos_test_support',
+            'components.gyp:metrics_leak_detector',
             'components.gyp:ownership',
             'components.gyp:pairing',
             'components.gyp:user_manager_test_support',