[test] Deprecate test data download for most test suites

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 234 matching lines @@
                     default=False, action="store_true")
   result.add_option("--gcov-coverage",
                     help="Uses executables instrumented for gcov coverage",
                     default=False, action="store_true")
   result.add_option("--command-prefix",
                     help="Prepended to each shell command used to run a test",
                     default="")
   result.add_option("--download-data", help="Download missing test suite data",
                     default=False, action="store_true")
   result.add_option("--download-data-only",
-                    help="Download missing test suite data and exit",
+                    help="Deprecated",
                     default=False, action="store_true")
   result.add_option("--extra-flags",
                     help="Additional flags to pass to each test command",
                     default="")
   result.add_option("--isolates", help="Whether to test isolates",
                     default=False, action="store_true")
   result.add_option("-j", help="The number of parallel tasks to run",
                     default=0, type="int")
   result.add_option("-m", "--mode",
                     help="The test modes in which to run (comma-separated,"
@@ skipping 394 matching lines @@
     if suite:
       suites.append(suite)
 
   if options.download_data or options.download_data_only:
     for s in suites:
       s.DownloadData()
 
   if options.download_data_only:
     return exit_code
 
+  for s in suites:
+    s.PrepareSources()
+
   for (arch, mode) in options.arch_and_mode:
     try:
       code = Execute(arch, mode, args, options, suites)
     except KeyboardInterrupt:
       return 2
     exit_code = exit_code or code
   return exit_code
 
 
 def Execute(arch, mode, args, options, suites):
@@ skipping 198 matching lines @@
         "--coverage-dir=%s" % options.sancov_dir])
     except:
       print >> sys.stderr, "Error: Merging sancov files failed."
       exit_code = 1
 
   return exit_code
 
 
 if __name__ == "__main__":
   sys.exit(Main())