[blink-in-js] Migrate resources required for blink-in-js to grd - part 3

Source/core/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/ui.gni")
 import("//third_party/WebKit/Source/bindings/bindings.gni")
 import("//third_party/WebKit/Source/bindings/core/v8/generated.gni")
 import("//third_party/WebKit/Source/bindings/modules/modules.gni")
 import("//third_party/WebKit/Source/bindings/modules/v8/generated.gni")
 import("//third_party/WebKit/Source/bindings/scripts/scripts.gni")
@@ skipping 924 matching lines @@
   script = "../build/scripts/make_private_script_source.py"
 
   inputs = [
       "testing/PartialPrivateScriptTest.js",
       "testing/PrivateScriptTest.js",
   ]
   outputs = [
     "$blink_core_output_dir/PrivateScriptSourcesForTesting.h",
   ]
 
-  args = rebase_path(outputs, root_build_dir)
+  args = [ "--for-testing" ]
+  args += rebase_path(outputs, root_build_dir)
   args += rebase_path(inputs, root_build_dir)
 
   deps = make_core_generated_deps
 }
 
 # "HTMLEntityTable" in make_core_generated from GYP.
 action("make_core_generated_html_entity_table") {
   visibility = []  # Allow re-assignment of list.
   visibility = [ ":make_core_generated" ]
   script = "html/parser/create-html-entity-table"
@@ skipping 107 matching lines @@
     "$blink_core_output_dir/{{source_name_part}}.h",
   ]
   args = [
     "{{source}}",
     rel_blink_core_gen_dir,
     bison_exe,
   ]
 
   deps = make_core_generated_deps
 }