Fix no-compile tests on Linux by adding sysroot

build/nocompile.gni

 # Copyright (c) 2011 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.
 
 # This file is meant to be included into an target to create a unittest that
 # invokes a set of no-compile tests.  A no-compile test is a test that asserts
 # a particular construct will not compile.
 #
 # Also see:
 #   http://dev.chromium.org/developers/testing/no-compile-tests
@@ skipping 45 matching lines @@
 # least processed when things go right.
 
 import("//testing/test.gni")
 
 declare_args() {
   # TODO(crbug.com/105388): Disabled until http://crbug.com/105388 is resolved.
   enable_nocompile_tests = false
 }
 
 if (enable_nocompile_tests) {
+  import("//build/config/sysroot.gni")
   template("nocompile_test") {
     nocompile_target = target_name + "_run_nocompile"
 
     action_foreach(nocompile_target) {
       script = "//tools/nocompile_driver.py"
       sources = invoker.sources
 
       result_path = "$target_gen_dir/{{source_name_part}}_nc.cc"
       depfile = "${result_path}.d"
       outputs = [
         result_path,
       ]
+      sysroot_args = ""
+      if (sysroot != "") {
+        sysroot_args = " --sysroot " + rebase_path(sysroot, root_build_dir)
+      }
       args = [
         "4",  # number of compilers to invoke in parallel.
         "{{source}}",
         "-Wall -Werror -Wfatal-errors " + "-I" +
-            rebase_path("//", root_build_dir),
+            rebase_path("//", root_build_dir) + sysroot_args,
         "{{output}}",
       ]
     }
 
     test(target_name) {
       deps = invoker.deps + [ ":$nocompile_target" ]
       sources = get_target_outputs(":$nocompile_target")
     }
   }
 }