Set up Dr.Memory symcache to speed up loading Chrome with BROWSER_WRAPPER

chrome_tests.py

 #!/usr/bin/env python
 # Copyright (c) 2011 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.
 
 ''' Runs various chrome tests through valgrind_test.py.'''
 
 import glob
 import logging
 import optparse
@@ skipping 55 matching lines @@
       build_dir = [d for d in dirs if os.path.isdir(d)]
       if len(build_dir) > 1:
         raise BuildDirAmbiguous("Found more than one suitable build dir:\n"
                                 "%s\nPlease specify just one "
                                 "using --build_dir" % ", ".join(build_dir))
       elif build_dir:
         self._options.build_dir = build_dir[0]
       else:
         self._options.build_dir = None
 
+    if self._options.build_dir:
+      build_dir = os.path.abspath(self._options.build_dir)
+      self._command_preamble += ["--build_dir=%s" % (self._options.build_dir)]
+
   def _EnsureBuildDirFound(self):
     if not self._options.build_dir:
       raise BuildDirNotFound("Oops, couldn't find a build dir, please "
                              "specify it manually using --build_dir")
 
   def _DefaultCommand(self, tool, exe=None, valgrind_test_args=None):
     '''Generates the default command array that most tests will use.'''
     if exe and common.IsWindows():
       exe += '.exe'
 
@@ skipping 416 matching lines @@
 
   for t in options.test:
     tests = ChromeTests(options, args, t)
     ret = tests.Run()
     if ret: return ret
   return 0
 
 
 if __name__ == "__main__":
   sys.exit(_main())