Handle cr.exportPath() in compiler pass, declare every object only once

third_party/closure_compiler/compiler_customization_test.py

Index: third_party/closure_compiler/compiler_customization_test.py
diff --git a/third_party/closure_compiler/compiler_customization_test.py b/third_party/closure_compiler/compiler_customization_test.py
index 2e63c6b5ecfeca5a761b190be04ce2b06a67db1c..b15a6b19ed643e8a8a7556bef3b6ca0686e00853 100755
--- a/third_party/closure_compiler/compiler_customization_test.py
+++ b/third_party/closure_compiler/compiler_customization_test.py
@@ -187,6 +187,13 @@ needsNumber(new Class().booleanProp);
 """, "ERROR - actual parameter 1 of needsNumber does not match formal "
         "parameter")
 
+  def testCrDefineOnCrWorks(self):
+    self._runCheckerTestExpectSuccess(self._CR_DEFINE_DEFINITION + """
+cr.define('cr', function() {
+  return {};
+});
+""")
+
 
 if __name__ == "__main__":
   unittest.main()