Make Syzygy instrumentation use --debug-friendly switch.

chrome/tools/build/win/syzygy_instrument.py

 #!/usr/bin/env python
 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """A utility script to help building Syzygy-instrumented Chrome binaries."""
 
 import glob
 import logging
 import optparse
@@ skipping 52 matching lines @@
 
 
 def _InstrumentBinary(syzygy_dir, mode, executable, symbol, dst_dir,
                       filter_file):
   """Instruments the executable found in input_dir, and writes the resultant
   instrumented executable and symbol files to dst_dir.
   """
   cmd = [os.path.abspath(os.path.join(syzygy_dir, _INSTRUMENT_EXE)),
          '--overwrite',
          '--mode=%s' % mode,
+         '--debug-friendly',
          '--input-image=%s' % executable,
          '--input-pdb=%s' % symbol,
          '--output-image=%s' % os.path.abspath(
              os.path.join(dst_dir, os.path.basename(executable))),
          '--output-pdb=%s' % os.path.abspath(
              os.path.join(dst_dir, os.path.basename(symbol)))]
 
   # If a filter was specified then pass it on to the instrumenter.
   if filter_file:
     cmd.append('--filter=%s' % os.path.abspath(filter_file))
@@ skipping 83 matching lines @@
     options.agent_dll = os.path.abspath(os.path.join(options.syzygy_dir,
         _DEFAULT_AGENT_DLLS[options.mode]))
     _LOGGER.info('Using default agent DLL: %s' % options.agent_dll)
 
   return options
 
 
 if '__main__' == __name__:
   logging.basicConfig(level=logging.INFO)
   sys.exit(main(_ParseOptions()))