[chromedriver] Accept loadAsync as a non-op chromeOption.

chrome/test/chromedriver/capabilities.cc

Index: chrome/test/chromedriver/capabilities.cc
diff --git a/chrome/test/chromedriver/capabilities.cc b/chrome/test/chromedriver/capabilities.cc
index c331c97b6928f602a6ccb80e0f44e4f68ea99394..1a6854e4e6a948c4164edf618fb1d1b4b79f2372 100644
--- a/chrome/test/chromedriver/capabilities.cc
+++ b/chrome/test/chromedriver/capabilities.cc
@@ -8,6 +8,7 @@
 
 #include "base/bind.h"
 #include "base/callback.h"
+#include "base/logging.h"
 #include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
 #include "base/values.h"
@@ -25,6 +26,14 @@ Status ParseDetach(
   return Status(kOk);
 }
 
+Status IgnoreDeprecatedOption(
+    const char* option_name,
+    const base::Value& option,
+    Capabilities* capabilities) {
+  LOG(WARNING) << "deprecated option is ignored:" << option_name;

[kkania, 2013/08/12 17:13:04]

really this should go in the per session log

[chrisgao (Use stgao instead), 2013/08/12 20:14:34]

Done.

+  return Status(kOk);
+}
+
 Status ParseChromeBinary(
     const base::Value& option,
     Capabilities* capabilities) {
@@ -180,6 +189,7 @@ Status ParseDesktopChromeCapabilities(
   std::map<std::string, Parser> parser_map;
 
   parser_map["detach"] = base::Bind(&ParseDetach);
+  parser_map["loadAsync"] = base::Bind(&IgnoreDeprecatedOption, "loadAsync");
   parser_map["binary"] = base::Bind(&ParseChromeBinary);
   parser_map["logPath"] = base::Bind(&ParseLogPath);
   parser_map["args"] = base::Bind(&ParseArgs, false);