scons: excise more scons references from the code base

tools/heapcheck/chrome_tests.py

 #!/usr/bin/python
 
 # Copyright (c) 2009 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 heapcheck_test.py.
 
 Most of this code is copied from ../valgrind/chrome_tests.py.
 TODO(glider): put common functions to a standalone module.
@@ skipping 129 matching lines @@
     if module == "chrome":
       # Unfortunately, not all modules have the same directory structure.
       self._data_dirs.append(os.path.join(module_dir, "test", "data",
                                           "heapcheck"))
     else:
       self._data_dirs.append(os.path.join(module_dir, "data", "heapcheck"))
 
     if not self._options.build_dir:
       dirs = [
         os.path.join(self._source_dir, "xcodebuild", "Debug"),
-        os.path.join(self._source_dir, "sconsbuild", "Debug"),
         os.path.join(self._source_dir, "out", "Debug"),
       ]
       if exe:
         self._options.build_dir = FindDirContainingNewestFile(dirs, exe)
       else:
         self._options.build_dir = FindNewestDir(dirs)
 
     cmd = list(self._command_preamble)
 
     if heapcheck_test_args != None:
@@ skipping 286 matching lines @@
   return 0
 
 
 if __name__ == "__main__":
   if sys.platform == 'linux2':
     ret = _main(sys.argv)
   else:
     logging.error("Heap checking works only on Linux at the moment.")
     ret = 1
   sys.exit(ret)