Move check for existence of generated tests from run-tests.py to presubmit.py

tools/run-tests.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 318 matching lines @@
   parser = BuildOptions()
   (options, args) = parser.parse_args()
   if not ProcessOptions(options):
     parser.print_help()
     return 1
 
   exit_code = 0
   workspace = os.path.abspath(join(os.path.dirname(sys.argv[0]), ".."))
   if not options.no_presubmit:
     print ">>> running presubmit tests"
-    code = subprocess.call(
+    exit_code = subprocess.call(
         [sys.executable, join(workspace, "tools", "presubmit.py")])
-    exit_code = code
-    code = subprocess.call(
-        [sys.executable, join(workspace, "tools", "generate-runtime-tests.py"),
-         "check"])
-    exit_code = exit_code or code
 
   suite_paths = utils.GetSuitePaths(join(workspace, "test"))
 
   if len(args) == 0:
     suite_paths = [ s for s in DEFAULT_TESTS if s in suite_paths ]
   else:
     args_suites = set()
     for arg in args:
       suite = arg.split(os.path.sep)[0]
       if not suite in args_suites:
@@ skipping 141 matching lines @@
   exit_code = runner.Run(options.j)
   overall_duration = time.time() - start_time
 
   if options.time:
     verbose.PrintTestDurations(suites, overall_duration)
   return exit_code
 
 
 if __name__ == "__main__":
   sys.exit(Main())