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

chrome/browser/automation/testing_automation_provider.cc

Index: chrome/browser/automation/testing_automation_provider.cc
diff --git a/chrome/browser/automation/testing_automation_provider.cc b/chrome/browser/automation/testing_automation_provider.cc
index 689fef48b70592d9dd0f52209ad43a5dcc7d2068..9fe2f9b660a8bcbaa6f16613a77a54698919368a 100644
--- a/chrome/browser/automation/testing_automation_provider.cc
+++ b/chrome/browser/automation/testing_automation_provider.cc
@@ -2198,7 +2198,8 @@ void TestingAutomationProvider::SendJSONRequest(int handle,
   scoped_ptr<Value> values;
   base::JSONReader reader;
   std::string error;
-  values.reset(reader.ReadAndReturnError(json_request, true, NULL, &error));
+  values.reset(reader.ReadAndReturnError(json_request,
+      base::JSON_ALLOW_TRAILING_COMMAS, NULL, &error));
   if (!error.empty()) {
     AutomationJSONReply(this, reply_message).SendError(error);
     return;