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

components/nacl/loader/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/features.gni")
 import("//build/config/nacl/config.gni")
 import("//testing/test.gni")
 
 assert(enable_nacl)
 
@@ skipping 123 matching lines @@
   # For setting up nacl_helper.
   source_set("nacl_helper_integration") {
     public = [
       "nacl_helper_linux.h",
     ]
     data_deps = [
       ":nacl_helper",
     ]
   }
 
-  test("nacl_helper_nonsfi_unittests") {
-    sources = [
-      "nonsfi/nacl_helper_nonsfi_unittests.cc",
-    ]
-    deps = [
-      "//base",
-      "//base/test:test_launcher_nacl_nonsfi",
-    ]
-    data_deps = [
-      ":nacl_helper_nonsfi_unittests_main_copy(//build/toolchain/nacl:newlib_pnacl_nonsfi)",
-    ]
-  }
+  if (enable_nacl_nonsfi) {
+    test("nacl_helper_nonsfi_unittests") {
+      sources = [
+        "nonsfi/nacl_helper_nonsfi_unittests.cc",
+      ]
+      deps = [
+        "//base",
+        "//base/test:test_launcher_nacl_nonsfi",
+      ]
+      data_deps = [
+        ":nacl_helper_nonsfi_unittests_main_copy(//build/toolchain/nacl:newlib_pnacl_nonsfi)",
+      ]
+    }
 
-  group("helper_nonsfi") {
-    data_deps = [
-      ":nacl_helper_nonsfi_copy(//build/toolchain/nacl:newlib_pnacl_nonsfi)",
-    ]
+    group("helper_nonsfi") {
+      data_deps = [
+        ":nacl_helper_nonsfi_copy(//build/toolchain/nacl:newlib_pnacl_nonsfi)",
+      ]
+    }
   }
 }
 
 if (is_win && target_cpu == "x86" && current_cpu == "x64") {
   source_set("nacl_helper_win_64") {
     sources = [
       "nacl_helper_win_64.cc",
       "nacl_helper_win_64.h",
     ]
 
@@ skipping 107 matching lines @@
       "${root_out_dir}/nacl_helper_nonsfi_unittests_main",
     ]
     outputs = [
       "${root_build_dir}/{{source_file_part}}",
     ]
     deps = [
       ":nacl_helper_nonsfi_unittests_main",
     ]
   }
 }