Refactor compile_js.gypi to support script_args and closure_args

remoting/app_remoting_webapp_compile.gypi

+# 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.
+
+{
+  'includes': [
+      '../remoting/remoting_webapp_files.gypi',
+      '../remoting/app_remoting_webapp_files.gypi',
+   ],
+  'targets': [
+    {
+      'target_name': 'verify_main.html',
+      'variables': {
+        'source_files': [
+          '<@(ar_main_js_files)',
+          '<@(remoting_webapp_js_proto_files)',
+        ],
+        'out_file': '<(PRODUCT_DIR)/>(_target_name)_main_jscompile.stamp',
+      },
+       'includes': ['compile_js.gypi'],
+    },
+    {
+      'target_name': 'verify_background.js',
+      'variables': {
+        'source_files': [
+          '<@(ar_background_js_files)',
+          '<@(remoting_webapp_js_proto_files)',
+        ],
+        'out_file': '<(PRODUCT_DIR)/>(_target_name)_background_jscompile.stamp',
+      },
+       'includes': ['compile_js.gypi'],
+    },
+    {
+      'target_name': 'verify_feedback_consent.html',
+      'variables': {
+        'source_files': [
+          '<@(ar_feedback_consent_html_all_js_files)',
+          '<@(remoting_webapp_js_proto_files)',
+        ],
+        'out_file': '<(PRODUCT_DIR)/>(_target_name)_feedback_consent_jscompile.stamp',
+      },
+       'includes': ['compile_js.gypi'],
+    },
+  ],  # targets
+}