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

chrome/test/webdriver/commands/response.cc

Index: chrome/test/webdriver/commands/response.cc
diff --git a/chrome/test/webdriver/commands/response.cc b/chrome/test/webdriver/commands/response.cc
index 6b96bae2d8e7dc169fe669efd041060df02e3eb0..1c09d3953885bc08fc9fe39824ed5307434e2bfa 100644
--- a/chrome/test/webdriver/commands/response.cc
+++ b/chrome/test/webdriver/commands/response.cc
@@ -59,7 +59,7 @@ void Response::SetValue(Value* 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);