Migrate page_load_metrics out of components.

components/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.
 
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//testing/test.gni")
 import("//tools/grit/repack.gni")
 
 if (is_android) {
@@ skipping 172 matching lines @@
       "//components/history/content/browser:unit_tests",
       "//components/invalidation/impl:unit_tests",
       "//components/keyed_service/content:unit_tests",
       "//components/link_header_util:unit_tests",
       "//components/memory_coordinator/browser:unit_tests",
       "//components/memory_coordinator/child:unit_tests",
       "//components/navigation_interception:unit_tests",
       "//components/network_hints/renderer:unit_tests",
       "//components/ntp_tiles:unit_tests",
       "//components/packed_ct_ev_whitelist:unit_tests",
-      "//components/page_load_metrics/browser:unit_tests",
-      "//components/page_load_metrics/renderer:unit_tests",
       "//components/password_manager/content/browser:unit_tests",
       "//components/power:unit_tests",
       "//components/precache/content:unit_tests",
       "//components/safe_browsing_db:unit_tests",
       "//components/safe_json:unit_tests",
       "//components/scheduler:unit_tests",
       "//components/subresource_filter/content/browser:unit_tests",
       "//components/subresource_filter/content/renderer:unit_tests",
       "//components/test_runner:test_runner",
       "//components/tracing:unit_tests",
@@ skipping 284 matching lines @@
       "//base/test:test_support_perf",
       "//components/scheduler",
       "//components/visitedlink/browser",
       "//content/test:test_support",
       "//testing/gtest",
       "//testing/perf",
       "//url",
     ]
   }
 }