[inspector] enabled presubmit for inspector sub folder

tools/presubmit.py

 #!/usr/bin/env python
 #
 # 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
@@ skipping 174 matching lines @@
 
 class CppLintProcessor(SourceFileProcessor):
   """
   Lint files to check that they follow the google code style.
   """
 
   def IsRelevant(self, name):
     return name.endswith('.cc') or name.endswith('.h')
 
   def IgnoreDir(self, name):
-    # TODO(dgozman): remove inspector after fixing the issues.
     return (super(CppLintProcessor, self).IgnoreDir(name)
-              or (name == 'third_party') or (name == 'inspector'))
+              or (name == 'third_party'))
 
   IGNORE_LINT = ['flag-definitions.h']
 
   def IgnoreFile(self, name):
     return (super(CppLintProcessor, self).IgnoreFile(name)
               or (name in CppLintProcessor.IGNORE_LINT))
 
   def GetPathsToSearch(self):
     return ['src', 'include', 'samples', join('test', 'cctest'),
             join('test', 'unittests')]
@@ skipping 297 matching lines @@
   success &= CheckExternalReferenceRegistration(workspace)
   success &= CheckStatusFiles(workspace)
   if success:
     return 0
   else:
     return 1
 
 
 if __name__ == '__main__':
   sys.exit(Main())