Rename is_chromeos in chrome/src.

net/BUILD.gn

 # Copyright (c) 2013 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")
 import("//build/module_args/v8.gni")
 import("//url/config.gni")
 import("//testing/test.gni")
@@ skipping 15 matching lines @@
 }
 
 # The list of net files is kept in net.gypi. Read it.
 gypi_values = exec_script("//build/gypi_to_gn.py",
                           [ rebase_path("net.gypi") ],
                           "scope",
                           [ "net.gypi" ])
 
 # Disable Kerberos on ChromeOS, Android and iOS, at least for now. It needs
 # configuration (krb5.conf and so on).
-use_kerberos = !is_chromeos && !is_android && !is_ios
+use_kerberos = !use_cros_fe && !is_android && !is_ios
 
 # The way the cache uses mmap() is inefficient on some Android devices. If
 # this flag is set, we hackily avoid using mmap() in the disk cache. We are
 # pretty confident that mmap-ing the index would not hurt any existing x86
 # android devices, but we cannot be so sure about the variety of ARM devices.
 # So enable it for x86 only for now.
 posix_avoid_mmap = is_android && current_cpu != "x86"
 
 # WebSockets and socket stream code are used everywhere except iOS.
 enable_websockets = !is_ios
@@ skipping 252 matching lines @@
     }
 
     # TODO(davidben): Remove these exclusions when use_openssl_certs builds also
     # use the SSLPrivateKey machinery.
     sources -= [
       "ssl/threaded_ssl_private_key.cc",
       "ssl/threaded_ssl_private_key.h",
     ]
   }
 
-  if (use_glib && !is_chromeos) {
+  if (use_glib && !use_cros_fe) {
     configs += [ "//build/config/linux:gconf" ]
     deps += [ "//build/config/linux:gio" ]
   }
 
   if (is_linux) {
     configs += [ "//build/config/linux:libresolv" ]
   }
 
   if (!use_nss_certs) {
     sources -= [
@@ skipping 17 matching lines @@
       # keep them in that case (even though use_nss_certs is not set).
       sources -= [
         "cert/cert_verify_proc_nss.cc",
         "cert/cert_verify_proc_nss.h",
         "cert/test_root_certs_nss.cc",
         "cert/x509_util_nss_certs.cc",
         "cert_net/nss_ocsp.cc",
         "cert_net/nss_ocsp.h",
       ]
     }
-    if (is_chromeos) {
+    if (use_cros_fe) {
       # These were already removed on non-ChromeOS.
       sources -= [
         "cert/nss_cert_database_chromeos.cc",
         "cert/nss_cert_database_chromeos.h",
         "cert/nss_profile_filter_chromeos.cc",
         "cert/nss_profile_filter_chromeos.h",
       ]
     }
     sources -= [ "ssl/ssl_platform_key_nss.cc" ]
   } else if (use_openssl) {
@@ skipping 641 matching lines @@
       testonly = true
       sources = [
         "tools/net_watcher/net_watcher.cc",
       ]
       deps = [
         ":net",
         ":net_with_v8",
         "//base",
       ]
 
-      if (is_desktop_linux) {
+      if (is_linux && !use_cros_fe) {
         configs += [
           "//build/config/linux:gconf",
           "//build/config/linux:glib",
         ]
         deps += [ "//build/config/linux:gio" ]
       }
     }
   }
 
   executable("run_testserver") {
@@ skipping 380 matching lines @@
       ":epoll_quic_tools",
       ":epoll_server",
       ":flip_in_mem_edsm_server_base",
     ]
   }
 
   if (is_mac || is_ios) {
     sources += gypi_values.net_base_test_mac_ios_sources
   }
 
-  if (is_chromeos) {
+  if (use_cros_fe) {
     sources -= [ "proxy/proxy_config_service_linux_unittest.cc" ]
   }
 
   if (v8_use_external_startup_data) {
     deps += [ "//gin" ]
   }
 
   if (!use_nss_certs) {
     sources -= [
       "cert/nss_cert_database_unittest.cc",
       "ssl/client_cert_store_nss_unittest.cc",
     ]
-    if (is_chromeos) {  # Already removed for all non-ChromeOS builds.
+    if (use_cros_fe) {  # Already removed for all non-ChromeOS builds.
       sources -= [
         "cert/nss_cert_database_chromeos_unittest.cc",
         "cert/nss_profile_filter_chromeos_unittest.cc",
       ]
     }
   }
 
   if (use_openssl) {
     # When building for OpenSSL, we need to exclude NSS specific tests
     # or functionality not supported by OpenSSL yet.
@@ skipping 19 matching lines @@
     sources -= [
       "http/http_auth_gssapi_posix_unittest.cc",
       "http/mock_gssapi_library_posix.cc",
       "http/mock_gssapi_library_posix.h",
     ]
   }
   if (!use_kerberos) {
     sources -= [ "http/http_auth_handler_negotiate_unittest.cc" ]
   }
 
-  if (use_openssl || (!is_desktop_linux && !is_chromeos && !is_ios)) {
+  if (use_openssl || (!is_desktop_linux && !use_cros_fe && !is_ios)) {
     # Only include this test when on Posix and using NSS for
     # cert verification or on iOS (which also uses NSS for certs).
     sources -= [ "cert_net/nss_ocsp_unittest.cc" ]
   }
 
   if (!use_openssl_certs) {
     sources -= [ "ssl/openssl_client_key_store_unittest.cc" ]
   }
 
   if (!enable_websockets) {
@@ skipping 212 matching lines @@
   if (enable_websockets) {
     sources += [ "websockets/websocket_frame_perftest.cc" ]
   }
 
   if (use_v8_in_net) {
     deps += [ ":net_with_v8" ]
   } else {
     sources -= [ "proxy/proxy_resolver_perftest.cc" ]
   }
 }