Modify the base::JSONReader interface to take a set of options rather than a boolean flag.

chrome/test/automation/automation_json_requests.cc

Index: chrome/test/automation/automation_json_requests.cc
diff --git a/chrome/test/automation/automation_json_requests.cc b/chrome/test/automation/automation_json_requests.cc
index bc2fbc8a9e088d43e23a2a85b47fac8bde2e18dd..11fc25a4f8d753d4e38d8cbd9e527645cead3537 100644
--- a/chrome/test/automation/automation_json_requests.cc
+++ b/chrome/test/automation/automation_json_requests.cc
@@ -46,7 +46,8 @@ bool SendAutomationJSONRequest(AutomationMessageSender* sender,
     LOG(INFO) << error->message();
     return false;
   }
-  scoped_ptr<Value> value(base::JSONReader::Read(reply, true));
+  scoped_ptr<Value> value(
+      base::JSONReader::Read(reply, base::JSON_ALLOW_TRAILING_COMMAS));
   if (!value.get() || !value->IsType(Value::TYPE_DICTIONARY)) {
     *error = Error("JSON request did not return a dictionary");
     LOG(ERROR) << "JSON request did not return dict: " << command << "\n";