Prepare ActivityLogConverterStrategyTest for ES2015 Function name reform

extensions/renderer/activity_log_converter_strategy_unittest.cc

Index: extensions/renderer/activity_log_converter_strategy_unittest.cc
diff --git a/extensions/renderer/activity_log_converter_strategy_unittest.cc b/extensions/renderer/activity_log_converter_strategy_unittest.cc
index 1c089bfca618d73ad91473e9ae27a1704d678960..9237cadd90deb9b7d91271b12a3ae6f83f3a4eeb 100644
--- a/extensions/renderer/activity_log_converter_strategy_unittest.cc
+++ b/extensions/renderer/activity_log_converter_strategy_unittest.cc
@@ -117,7 +117,7 @@ TEST_F(ActivityLogConverterStrategyTest, ConversionTest) {
         "empty_dictionary: {},"
         "list: [ \"monkey\", \"balls\" ],"
         "empty_list: [],"
-        "function: function() {},"
+        "function: (0, function() {}),"  // ensure function is anonymous
         "named_function: foo"
       "};"
       "})();";