Remove PowerUsageMonitor.

chrome/test/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/chrome_build.gni")
 import("//build/config/compiler/compiler.gni")
 import("//build/config/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//chrome/common/features.gni")
@@ skipping 3625 matching lines @@
       "../browser/memory/tab_manager_unittest.cc",
       "../browser/memory/tab_manager_web_contents_data_unittest.cc",
 
       # Android does not use the Message Center notification system.
       "../browser/net/firefox_proxy_settings_unittest.cc",
       "../browser/notifications/message_center_notifications_unittest.cc",
       "../browser/notifications/message_center_settings_controller_unittest.cc",
       "../browser/permissions/permission_request_manager_unittest.cc",
       "../browser/platform_util_unittest.cc",
       "../browser/policy/policy_path_parser_unittest.cc",
-      "../browser/power_usage_monitor/power_usage_monitor_unittest.cc",
       "../browser/process_singleton_posix_unittest.cc",
       "../browser/profile_resetter/profile_resetter_unittest.cc",
       "../browser/profile_resetter/triggered_profile_resetter_win_unittest.cc",
       "../browser/renderer_context_menu/render_view_context_menu_unittest.cc",
       "../browser/search/instant_service_unittest.cc",
       "../browser/search/instant_unittest_base.cc",
       "../browser/search/instant_unittest_base.h",
       "../browser/search/search_unittest.cc",
       "../browser/sessions/persistent_tab_restore_service_unittest.cc",
       "../browser/signin/mutable_profile_oauth2_token_service_delegate_unittest.cc",
@@ skipping 1535 matching lines @@
 }
 
 if (is_win) {
   loadable_module("conflicts_dll") {
     testonly = true
     sources = [
       "conflicts/conflicts_dll.cc",
     ]
   }
 }