Consolidate code monitoring low memory kills and OOM kills to MemoryKillsMonitor on ChromeOS.

components/arc/BUILD.gn

 # Copyright 2015 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.
 
 import("//mojo/public/tools/bindings/mojom.gni")
 import("//testing/test.gni")
 
 static_library("arc") {
   sources = [
     "arc_bridge_host_impl.cc",
@@ skipping 38 matching lines @@
     "intent_helper/link_handler_model_impl.cc",
     "intent_helper/link_handler_model_impl.h",
     "intent_helper/local_activity_resolver.cc",
     "intent_helper/local_activity_resolver.h",
     "intent_helper/page_transition_util.cc",
     "intent_helper/page_transition_util.h",
     "kiosk/arc_kiosk_bridge.cc",
     "kiosk/arc_kiosk_bridge.h",
     "metrics/arc_metrics_service.cc",
     "metrics/arc_metrics_service.h",
-    "metrics/oom_kills_histogram.h",
-    "metrics/oom_kills_monitor.cc",
-    "metrics/oom_kills_monitor.h",
     "net/arc_net_host_impl.cc",
     "net/arc_net_host_impl.h",
     "obb_mounter/arc_obb_mounter_bridge.cc",
     "obb_mounter/arc_obb_mounter_bridge.h",
     "power/arc_power_bridge.cc",
     "power/arc_power_bridge.h",
     "storage_manager/arc_storage_manager.cc",
     "storage_manager/arc_storage_manager.h",
     "user_data/arc_user_data_service.cc",
     "user_data/arc_user_data_service.h",
@@ skipping 159 matching lines @@
     "//testing/gtest",
     "//ui/aura",
     "//ui/aura:test_support",
     "//ui/base:test_support",
     "//ui/base/ime",
     "//ui/events",
     "//ui/events:dom_keycode_converter",
     "//url:url",
   ]
 }