Move chromeos::device_event_log into components.

chrome/browser/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/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 
 # //build/config/android/rules.gni imports //tools/grit/grit_rule.gni, which
 # produces a conflict for the "grit" template so we have to only include one.
@@ skipping 70 matching lines @@
     "//chrome/common/net",
     "//components/autofill/core/browser",
     "//components/bookmarks/browser",
     "//components/captive_portal",
     "//components/cloud_devices/common",
     "//components/component_updater",
     "//components/content_settings/core/browser",
     "//components/content_settings/core/common",
     "//components/crx_file",
     "//components/data_reduction_proxy/core/browser",
+    "//components/device_event_log",
     "//components/domain_reliability",
     "//components/enhanced_bookmarks",
     "//components/favicon_base",
     "//components/favicon/core",
     "//components/feedback",
     "//components/gcm_driver",
     "//components/google/core/browser",
     "//components/handoff",
     "//components/history/core/browser",
     "//components/history/core/browser:proto",
@@ skipping 1010 matching lines @@
     ]
   }
 
   if (enable_wifi_bootstrapping) {
     sources += [
       "local_discovery/wifi/mock_wifi_manager.cc",
       "local_discovery/wifi/mock_wifi_manager.h",
     ]
   }
 }