Refactor compile_js.gypi to support script_args and closure_args

remoting/remoting_key_tester.gypi

Index: remoting/remoting_key_tester.gypi
diff --git a/remoting/remoting_key_tester.gypi b/remoting/remoting_key_tester.gypi
index ba16e417ed519847ded765c662be3a4084d99ea7..b6d915cee441f145b88f2f3c252583ff0293084f 100644
--- a/remoting/remoting_key_tester.gypi
+++ b/remoting/remoting_key_tester.gypi
@@ -49,29 +49,17 @@
             ['run_jscompile != 0', {
               'variables': {
                 'success_stamp': '<(PRODUCT_DIR)/<(_target_name).stamp',
+                'source_files': [
+                  '<@(remoting_key_tester_js_files)',
+                  'webapp/js_proto/chrome_proto.js',
+                  'webapp/js_proto/chrome_event_proto.js',
+                ],
+                'out_file': '<(success_stamp)',
+                'script_args': [
+                  '--success-stamp', '<(success_stamp)',
+                ],
               },
-              'actions': [
-                {
-                  'action_name': 'jscompile remoting_key_tester',
-                  'inputs': [
-                    '<@(remoting_key_tester_js_files)',
-                    'webapp/js_proto/chrome_proto.js',
-                    'webapp/js_proto/chrome_event_proto.js',
-                  ],
-                  'outputs': [
-                    '<(success_stamp)',
-                  ],
-                  'action': [
-                    'python', '../third_party/closure_compiler/compile.py',
-                    '--strict',
-                    '--no-single-file',
-                    '--success-stamp', '<(success_stamp)',
-                    '<@(remoting_key_tester_js_files)',
-                    'webapp/js_proto/chrome_proto.js',
-                    'webapp/js_proto/chrome_event_proto.js',
-                  ],
-                },
-              ],  # actions
+              'includes': ['compile_js.gypi'],
             }],
           ],
         },  # end of target 'remoting_key_tester_jscompile'