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build/android/pylib/local/machine/local_machine_junit_test_run.py

Index: build/android/pylib/local/machine/local_machine_junit_test_run.py
diff --git a/build/android/pylib/local/machine/local_machine_junit_test_run.py b/build/android/pylib/local/machine/local_machine_junit_test_run.py
index ef8bef4f1aee411d0ed6e2a1cddd93926b175793..168b8795afda996af0bbdf9eb7ebb6cb1d35a7ff 100644
--- a/build/android/pylib/local/machine/local_machine_junit_test_run.py
+++ b/build/android/pylib/local/machine/local_machine_junit_test_run.py
@@ -50,9 +50,11 @@ class LocalMachineJunitTestRun(test_run.TestRun):
       # TODO(mikecase): Add a --robolectric-dep-dir arg to test runner.
       # Have this arg set by GN in the generated test runner scripts.
       jvm_args += [
-          '-Drobolectric.dependency.dir=%s' %
-          os.path.join(constants.GetOutDirectory(),
-              'lib.java', 'third_party', 'robolectric')]
+          '-Drobolectric.dependency.dir=%s' % os.path.join(
+              constants.GetOutDirectory(), 'lib.java', 'third_party',
+              'robolectric'),
+          '-Ddir.source.root=%s' % constants.DIR_SOURCE_ROOT,
+      ]
       if self._test_instance.coverage_dir:
         if not os.path.exists(self._test_instance.coverage_dir):
           os.makedirs(self._test_instance.coverage_dir)