Fix depot_tools unit tests on Windows.

tests/gclient_test.py

 #!/usr/bin/python
 #
 # Copyright 2008-2009 Google Inc.  All Rights Reserved.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at
 #
 #      http://www.apache.org/licenses/LICENSE-2.0
 #
@@ skipping 424 matching lines @@
       "  'url': '%s',\n"
       "  'custom_deps': {},\n"
       "} ]\n"
     ) % (solution_name, self.url)
 
     deps = (
       "use_relative_paths = True\n"
       "deps = {\n"
       "  'src/t': 'svn://scm.t/trunk',\n"
       "}\n")
-
+    entry_path = os.path.join(solution_name, 'src', 't').replace('\\', '\\\\')
     entries_content = (
       "entries = \\\n"
       "{ '%s': '%s',\n"
       "  '%s': 'svn://scm.t/trunk'}\n"
-    ) % (solution_name, self.url, os.path.join(solution_name, 'src', 't'))
+    ) % (solution_name, self.url, entry_path)
 
     scm_wrapper_sol = self.mox.CreateMockAnything()
     scm_wrapper_t = self.mox.CreateMockAnything()
 
     options = self.Options()
 
     gclient.os.path.exists(os.path.join(self.root_dir, solution_name, 'src',
                                         't', '.git')
         ).AndReturn(False)
     gclient.os.path.exists(os.path.join(self.root_dir, solution_name, '.git')
@@ skipping 678 matching lines @@
 """
     gclient_scm.CaptureSVN = CaptureSVNMock
     info = gclient_scm.CaptureSVNStatus(None)
     self.assertEquals(info, [])
 
 
 if __name__ == '__main__':
   unittest.main()
 
 # vim: ts=2:sw=2:tw=80:et: