Add checkdeps to tools/presubmit.py.

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 498 matching lines @@
             continue
           status_files.add(status_file)
 
     success = True
     for status_file_path in sorted(status_files):
       success &= statusfile.PresubmitCheck(status_file_path)
       success &= _CheckStatusFileForDuplicateKeys(status_file_path)
     return success
 
 
+def CheckDeps(workspace):
+  checkdeps_py = join(workspace, 'buildtools', 'checkdeps', 'checkdeps.py')
+  return subprocess.call([sys.executable, checkdeps_py, workspace]) == 0
+
+
 def GetOptions():
   result = optparse.OptionParser()
   result.add_option('--no-lint', help="Do not run cpplint", default=False,
                     action="store_true")
   return result
 
 
 def Main():
   workspace = abspath(join(dirname(sys.argv[0]), '..'))
   parser = GetOptions()
   (options, args) = parser.parse_args()
   success = True
+  print "Running checkdeps..."
+  success &= CheckDeps(workspace)
   print "Running C++ lint check..."
   if not options.no_lint:
     success &= CppLintProcessor().RunOnPath(workspace)
   print "Running copyright header, trailing whitespaces and " \
         "two empty lines between declarations check..."
   success &= SourceProcessor().RunOnPath(workspace)
   print "Running status-files check..."
   success &= StatusFilesProcessor().RunOnPath(workspace)
   if success:
     return 0
   else:
     return 1
 
 
 if __name__ == '__main__':
   sys.exit(Main())