content: Fix a typo in GN common/BUILD.gn file.

content/common/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.
 
 # TODO(brettw) this file is a work in progress, it is not currently hooked up
 # to the build, but currently represents the state of content/common's deps.
 
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//content/common/common.gni")
@@ skipping 130 matching lines @@
   } else {
     sources -= [
       "font_list_pango.cc",
     ]
   }
 
   if (use_x11) {
     include_dirs += [ "//third_party/khronos" ]
     configs += [ "//build/config/linux:xcomposite" ]
 
-    if (cpu_arch != "arm" || !is_chromos) {
+    if (cpu_arch != "arm" || !is_chromeos) {
       sources +=[
         "gpu/x_util.cc",
         "gpu/x_util.h",
       ]
     }
   }
 
   if (enable_plugins) {
     deps += [
       # TODO(GYP) enable once supported in the GN build.
@@ skipping 98 matching lines @@
     }
     if (is_android) {
       sources -= [
         "sandbox_linux/android/sandbox_bpf_base_policy_android.cc",
         "sandbox_linux/android/sandbox_bpf_base_policy_android.h",
       ]
     }
   }
 }