Using $CHROME_SRC_DIR in place of hash/.....

base/base_lib.scons

 # Copyright (c) 2006-2008 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.
 
 __doc__ = """
 Configuration for building base.lib / libbase.a.
 """
 
 Import('env')
 
 env = env.Clone()
 
 env.SConscript([
     '$ICU38_DIR/using_icu38.scons',
 ], {'env':env})
 
 env.Prepend(
     CPPPATH = [
-        '$ROOT_DIR',
+        '$CHROME_SRC_DIR',
     ],
 )
 
 if env['PLATFORM'] == 'win32':
   env.Prepend(
       CCFLAGS = [
           '/TP',
           '/Wp64',
       ],
   )
@@ skipping 150 matching lines @@
       'message_pump_glib.cc',
       'nss_init.cc',
       'process_posix.cc',
       'process_util_linux.cc',
       'sys_string_conversions_linux.cc',
       'worker_pool.cc',
   ])
 
 base_lib = env.ChromeStaticLibrary('base', input_files)
 env.Alias('base', base_lib)