[Android WebView] Fix outstanding license check issues on the release bot

android_webview/tools/copyright_scanner_unittest.py

 #!/usr/bin/env python
 # Copyright 2014 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.
 
 """Unit tests for Copyright Scanner utilities."""
 
 import os
 import re
 import sys
@@ skipping 160 matching lines @@
     actual = map(normpath, copyright_scanner.FindFiles(
       self.input_api, root_dir, [scan_from], [join('foo', 'third_party')]))
     self.assertEqual([], actual)
 
 
 class AnalyzeScanResultsTest(SuperMoxTestBase):
   def setUp(self):
     SuperMoxTestBase.setUp(self)
     self.input_api = self.mox.CreateMockAnything()
     self.input_api.os_path = os.path
+    self.input_api.change = self.mox.CreateMockAnything()
+    self.input_api.change.RepositoryRoot = lambda: ''
 
   def testAnalyzeScanResults(self):
     # Tests whitelisted vs. current files state logic.
     #
     # Whitelisted - in whitelist, and contains 3rd party code => OK
     # Missing - in whitelist, but doesn't exist
     # Stale - in whitelist, but is clean
     # Unknown - not in whitelist, but contains 3rd party code
     self.input_api.os_path.isfile = lambda x: x != 'Missing'
     self.assertEqual(
@@ skipping 106 matching lines @@
     self.mox.ReplayAll()
     copyright_scanner.ScanAtPresubmit(self.input_api, self.output_api)
     self.assertEqual(
       ['A_W.cc', 'D_W.cc', 'M_W.cc', 'NM_W.cc'], self.GetWhitelistedFiles())
     self.assertEqual(
       ['A_DW.cc', 'A_NW.cc', 'A_W.cc', 'D_DW.cc', 'D_NW.cc', 'D_W.cc',
        'M_DW.cc', 'M_NW.cc', 'M_W.cc', 'NM_W.cc' ], self.GetFilesToCheck())
 
 if __name__ == '__main__':
   unittest.main()