Move chromeos::device_event_log into components.

ash/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")
 
 gypi_values = exec_script("//build/gypi_to_gn.py",
                           [ rebase_path("ash.gyp") ],
                           "scope",
                           [ "ash.gyp" ])
 
 component("ash") {
   sources = gypi_values.ash_sources
 
   defines = [ "ASH_IMPLEMENTATION" ]
 
   public_deps = [
     "//ash/resources",
     "//ash/strings",
   ]
   deps = [
     "//base",
     "//base:i18n",
     "//base/third_party/dynamic_annotations",
     "//cc",
+    "//components/device_event_log",
     "//components/user_manager",
     "//components/wallpaper",
     "//content/public/browser",
     "//media",
     "//net",
     "//skia",
     "//third_party/icu",
     "//ui/accessibility",
     "//ui/app_list",
     "//ui/aura",
@@ skipping 353 matching lines @@
       "//skia",
       "//testing/gtest",
       "//ui/accessibility",
     ]
 
     if (is_chromeos) {
       deps += [ "//ui/display" ]
     }
   }
 }