Fix Linux installer dependencies on nacl_helper.

chrome/installer/linux/BUILD.gn

 # Copyright 2015 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/chrome_build.gni")
+import("//build/config/features.gni")
 import("//build/util/version.gni")
 import("//chrome/version.gni")
 
 assert(is_linux && is_chrome_branded)
 
 # This target builds all "normal" Linux installers.
 # GYP version: chrome/chrome_installer.gypi:linux_packages_all
 #
 # The bot setup is to build stable, unstable, and beta packages for the current
 # build. Then a later step picks up the package corresponding to what the
@@ skipping 121 matching lines @@
 
 # Dependencies for all Linux installer targets.
 group("installer_deps") {
   public_deps = [
     ":common_packaging_files",
     ":deb_packaging_files",
     ":save_build_info",
     ":theme_files",
     "//chrome",
     "//chrome:packed_resources",
-    "//components/nacl:nacl_helper",
     "//sandbox/linux:chrome_sandbox",
     "//third_party/adobe/flash:flapper_binaries",
   ]
+  if (enable_nacl) {
+    public_deps += [ "//components/nacl:nacl_helper" ]
+  }
   if (current_cpu == "x86" || current_cpu == "x64") {
     public_deps += [
       "//third_party/widevine/cdm:widevinecdm",
       "//third_party/widevine/cdm:widevinecdmadapter",
     ]
   }
   if (!is_chromeos) {
     public_deps += [ ":rpm_packaging_files" ]
   }
 }
@@ skipping 149 matching lines @@
 # Other packages that we support that aren't included in the default "linux"
 # target.
 linux_package("trunk") {
   channel = "trunk"
 }
 if (is_asan) {
   linux_package("asan") {
     channel = "asan"
   }
 }