Linux: Dynamically load libudev.

content/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/features.gni")
 import("//build/config/ui.gni")
 import("//content/browser/browser.gni")
 import("//media/media_options.gni")
 
 source_set("browser") {
@@ skipping 202 matching lines @@
 #             'user32.dll',
 #             'dwmapi.dll',
 #           ],
   }
 
   if (is_linux) {
     deps += [ "//sandbox/linux:libc_urandom_override" ]
   }
 
   if (use_udev) {
-    configs += [ "//build/config/linux:udev" ]
+    deps += [ "//device/udev_linux" ]
   } else {
     # Remove udev-specific sources.
     sources -= [
       "device_monitor_udev.cc",
       "device_monitor_udev.h",
     ]
     if (is_linux) {
       # Already filtered out on non-Linux.
       sources -= [
         "gamepad/gamepad_platform_data_fetcher_linux.cc",
@@ skipping 187 matching lines @@
 
   if (enable_browser_cdms) {
     sources += [
       "media/cdm/browser_cdm_manager.cc",
       "media/cdm/browser_cdm_manager.h",
       "media/media_web_contents_observer.cc",
       "media/media_web_contents_observer.h",
     ]
   }
 }