[inspector] Build inspector under v8_enable_inspector build flag.

gypfiles/standalone.gypi

 # Copyright 2012 the V8 project authors. All rights reserved.
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 #       notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
 #       copyright notice, this list of conditions and the following
 #       disclaimer in the documentation and/or other materials provided
@@ skipping 28 matching lines @@
     # - track the chain of stores leading from allocation site to use site.
     'msan_track_origins%': 2,
     'visibility%': 'hidden',
     'v8_enable_backtrace%': 0,
     'v8_enable_i18n_support%': 1,
     'v8_deprecation_warnings': 1,
     'v8_imminent_deprecation_warnings': 1,
     'msvs_multi_core_compile%': '1',
     'mac_deployment_target%': '10.7',
     'release_extra_cflags%': '',
+    'v8_enable_inspector%': 0,
     'variables': {
       'variables': {
         'variables': {
           'variables': {
             'conditions': [
               ['OS=="linux" or OS=="freebsd" or OS=="openbsd" or \
                  OS=="netbsd" or OS=="mac" or OS=="qnx" or OS=="aix"', {
                 # This handles the Unix platforms we generally deal with.
                 # Anything else gets passed through, which probably won't work
                 # very well; such hosts should pass an explicit target_arch
@@ skipping 1450 matching lines @@
               '-fsanitize=cfi-vcall',
               '-fsanitize=cfi-derived-cast',
               '-fsanitize=cfi-unrelated-cast',
             ],
           }],
         ],
       },
     }],
   ],
 }