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

extensions/shell/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.
 
+import("//build/config/features.gni")
 import("//extensions/shell/app_shell.gni")
 
 # Technically, this directory should not depend on files from src/chrome, but
 # that's where the VERSION file is. This  should probably all be moved to
 # src/build.
 import("//chrome/version.gni")
 import("//testing/test.gni")
 import("//tools/grit/grit_rule.gni")
 
 assert(enable_extensions)
@@ skipping 82 matching lines @@
 
     deps += [
       "//components/nacl/browser",
       "//components/nacl/common",
       "//components/nacl/loader",
       "//components/nacl/renderer",
       "//components/nacl/renderer/plugin:nacl_trusted_plugin",
     ]
 
     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" ]
+      }
     }
   }
 }
 
 executable("app_shell") {
   # testonly because :app_shell_lib is testonly. See :app_shell_lib comment.
   testonly = true
   sources = rebase_path(app_shell_gypi_values.app_shell_sources,
                         ".",
                         "//extensions/shell")
@@ skipping 89 matching lines @@
     testonly = true
     sources = [
       "app/shell_main_mac.cc",
       "app/shell_main_mac.h",
     ]
     deps = [
       ":app_shell_lib",
     ]
   }
 }