Bug 504422 - Be smarter with our strings for AUTOCOMPLETE_MATCH SQL function.

Avoid copying are argument strings.  String copying was showing up as 1% of the
time spent in our function, when we should almost never need to copy.
r=dwitte
r=dietrich

build/automationutils.py

@@ -1,46 +0,0 @@
-import sys, glob, os, subprocess, logging
-
-__all__ = [
-    "addCommonOptions",
-    "checkForCrashes",
-    ]
-
-log = logging.getLogger()
-
-def addCommonOptions(parser, defaults={}):
-    parser.add_option("--xre-path",
-                      action = "store", type = "string", dest = "xrePath",
-                      # individual scripts will set a sane default
-                      default = None,
-                      help = "absolute path to directory containing XRE (probably xulrunner)")
-    if 'SYMBOLS_PATH' not in defaults:
-        defaults['SYMBOLS_PATH'] = None
-    parser.add_option("--symbols-path",
-                      action = "store", type = "string", dest = "symbolsPath",
-                      default = defaults['SYMBOLS_PATH'],
-                      help = "absolute path to directory containing breakpad symbols")
-
-def checkForCrashes(dumpDir, symbolsPath, testName=None):
-  stackwalkPath = os.environ.get('MINIDUMP_STACKWALK', None)
-  # try to get the caller's filename if no test name is given
-  if testName is None:
-      try:
-          testName = os.path.basename(sys._getframe(1).f_code.co_filename)
-      except:
-          testName = "unknown"
-
-  foundCrash = False
-  dumps = glob.glob(os.path.join(dumpDir, '*.dmp'))
-  for d in dumps:
-    log.info("TEST-UNEXPECTED-FAIL | %s | application crashed (minidump found)", testName)
-    if symbolsPath and stackwalkPath:
-      nullfd = open(os.devnull, 'w')
-      # eat minidump_stackwalk errors
-      subprocess.call([stackwalkPath, d, symbolsPath], stderr=nullfd)
-      nullfd.close()
-    os.remove(d)
-    extra = os.path.splitext(d)[0] + ".extra"
-    if os.path.exists(extra):
-        os.remove(extra)
-    foundCrash = True
-  return foundCrash