[MIPS] Adding NaCl/PNaCl support for mipsel to GN

extensions/shell/BUILD.gn

Index: extensions/shell/BUILD.gn
diff --git a/extensions/shell/BUILD.gn b/extensions/shell/BUILD.gn
index 0d31a0685e61080fa66955862f34207d1d6d8bee..57c3370194a7b1d81032a21c32197b7eec2fa6bf 100644
--- a/extensions/shell/BUILD.gn
+++ b/extensions/shell/BUILD.gn
@@ -2,6 +2,7 @@
 # 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("//extensions/shell/app_shell.gni")
 
 # Technically, this directory should not depend on files from src/chrome, but
@@ -104,10 +105,11 @@ source_set("app_shell_lib") {
     ]
 
     if (is_linux) {
-      deps += [
-        "//components/nacl/loader:helper_nonsfi",
-        "//components/nacl/loader:nacl_helper",
-      ]
+      deps += [ "//components/nacl/loader:nacl_helper" ]
+
+      if (enable_nacl_nonsfi) {
+        deps += [ "//components/nacl/loader:helper_nonsfi" ]
+      }
     }
   }
 }