GN chrome/common build, rename enable_printing.

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")
 
 config("storage_config") {
   if (is_android) {
@@ skipping 116 matching lines @@
     deps += [ "//third_party/power_gadget" ]
   } else {
     sources += [ "power_profiler/power_data_provider_dummy.cc" ]
     sources -= [ "renderer_host/web_input_event_aurawin.cc" ]
   }
 
   if (!is_win && !is_mac && (!is_linux || !use_udev)) {
     sources += [ "gamepad/gamepad_platform_data_fetcher.cc" ]
   }
 
-  if (enable_printing != 0) {
+  if (printing_mode != 0) {
     deps += [ "//printing" ]
   }
 
 # TODO(GYP)
 #   ['OS!="ios" and chrome_multiple_dll!=1', {
 #     'dependencies': [
 #       '../third_party/WebKit/public/blink.gyp:blink',
 #     ],
 #   }],
   if (!is_mac && !is_ios) {
@@ skipping 242 matching lines @@
       sources -= [
         "geolocation/empty_wifi_data_provider.cc",
       ]
       deps += [ "//dbus" ]
     } else {
       # This will already have gotten removed for all non-Linux cases.
        sources -= [ "geolocation/wifi_data_provider_linux.cc" ]
     }
   }
 }