Store alloc history data in memory leak report protobuf

components/metrics/BUILD.gn

 # 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.
 
 declare_args() {
   # Overrides os name in uma metrics log to "Blimp".
   metrics_use_blimp = false
 }
 
 # GYP version: components/metrics.gypi:metrics
@@ skipping 124 matching lines @@
       "leak_detector/leak_detector_impl.cc",
       "leak_detector/leak_detector_impl.h",
       "leak_detector/leak_detector_value_type.cc",
       "leak_detector/leak_detector_value_type.h",
       "leak_detector/ranked_set.cc",
       "leak_detector/ranked_set.h",
     ]
 
     deps = [
       "//base",
+      "//components/metrics/proto:proto",
       "//content/public/browser",
     ]
   }
 }
 
 # GYP version: components/metrics.gypi:metrics_net
 static_library("net") {
   sources = [
     "net/net_metrics_log_uploader.cc",
     "net/net_metrics_log_uploader.h",
@@ skipping 140 matching lines @@
       "leak_detector/call_stack_table_unittest.cc",
       "leak_detector/leak_analyzer_unittest.cc",
       "leak_detector/leak_detector_impl_unittest.cc",
       "leak_detector/leak_detector_unittest.cc",
       "leak_detector/ranked_set_unittest.cc",
     ]
 
     deps = [
       ":leak_detector",
       "//base",
+      "//components/metrics/proto:proto",
       "//content/test:test_support",
       "//testing/gtest",
     ]
   }
 }
 
 source_set("unit_tests") {
   testonly = true
   sources = [
     "call_stack_profile_metrics_provider_unittest.cc",
@@ skipping 43 matching lines @@
   # These are only used by the blimp team, which has entirely migrated to gn,
   # so this logic is not replicated in the gyp file.
   if (metrics_use_blimp) {
     defines = [
       "OVERRIDE_OS_NAME_TO_BLIMP",
       "ENABLE_REPORTING_BLIMP",
     ]
   }
 }
 # TODO(GYP): metrics_chromeos