[chromedriver] Add chrome.detach option for configuring Chrome not to quit

chrome/test/webdriver/commands/response.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/test/webdriver/commands/response.h"
 
 #include "base/base64.h"
 #include "base/json/json_writer.h"
 #include "base/logging.h"
 #include "base/values.h"
@@ skipping 41 matching lines @@
       << "Accessing unset response value.";  // Should never happen.
   return out;
 }
 
 void Response::SetValue(Value* value) {
   data_.Set(kValueKey, value);
 }
 
 void Response::SetError(Error* error) {
   DictionaryValue* error_dict = new DictionaryValue();
-  error_dict->SetString(kMessageKey, error->GetMessage());
+  error_dict->SetString(kMessageKey, error->GetErrorMessage());
 
   SetStatus(error->code());
   SetValue(error_dict);
   delete error;
 }
 
 void Response::SetField(const std::string& key, Value* value) {
   data_.Set(key, value);
 }
 
 std::string Response::ToJSON() const {
   std::string json;
   base::JSONWriter::Write(&data_, false, &json);
   return json;
 }
 
 }  // namespace webdriver