components/metrics: Add runtime memory leak detector

components/metrics.gypi

 # Copyright 2014 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': [
     {
       # GN version: //components/metrics
       'target_name': 'metrics',
       'type': 'static_library',
@@ skipping 62 matching lines @@
         ['chromeos==1', {
           'dependencies': [
             'metrics_serialization',
           ],
         }],
         ['OS=="win"', {
           'sources!': [
             'metrics/machine_id_provider_stub.cc',
           ],
         }],
+        ['enable_leak_detector==1 and chromeos==1', {
+          'dependencies': [
+            'metrics_leak_detector',
+          ],
+        }],
       ],
     },
     {
       # GN version: //components/metrics:gpu
       'target_name': 'metrics_gpu',
       'type': 'static_library',
       'include_dirs': [
         '..',
       ],
       'dependencies': [
         '../base/base.gyp:base',
         '../content/content.gyp:content_browser',
         '../ui/gfx/gfx.gyp:gfx',
         'component_metrics_proto',
         'metrics',
       ],
       'sources': [
         'metrics/gpu/gpu_metrics_provider.cc',
         'metrics/gpu/gpu_metrics_provider.h',
       ],
     },
     {
+      'target_name': 'metrics_leak_detector',
+      'type': 'static_library',
+      'include_dirs': [
+        # In these modules, the tcmalloc include path does not take precendence
+        # over the top-level chromium path.
+        '..',
+        '../third_party/tcmalloc/chromium/src',
+      ],
+      'dependencies': [
+        '../base/base.gyp:base',
+        '../base/allocator/allocator.gyp:allocator',
+      ],
+      'sources': [
+        'metrics/leak_detector/call_stack_table.cc',
+        'metrics/leak_detector/call_stack_table.h',
+        'metrics/leak_detector/leak_analyzer.cc',
+        'metrics/leak_detector/leak_analyzer.h',
+        'metrics/leak_detector/leak_detector.cc',
+        'metrics/leak_detector/leak_detector_impl.cc',
+        'metrics/leak_detector/leak_detector_impl.h',
+        'metrics/leak_detector/leak_detector_value_type.h',
+        'metrics/leak_detector/ranked_list.cc',
+        'metrics/leak_detector/ranked_list.h',
+      ],
+    },
+    {
       # GN version: //components/metrics:net
       'target_name': 'metrics_net',
       'type': 'static_library',
       'include_dirs': [
         '..',
       ],
       'dependencies': [
         '../base/base.gyp:base',
         '../net/net.gyp:net',
         '../url/url.gyp:url_lib',
@@ skipping 100 matching lines @@
             'metrics/serialization/serialization_utils.h',
           ],
           'dependencies': [
             '../base/base.gyp:base',
           ],
         },
       ],
     }],
   ],
 }