[chromedriver] Implement command: executeAsyncScript and setScriptTimeout

chrome/test/chromedriver/command_executor_impl.cc

Index: chrome/test/chromedriver/command_executor_impl.cc
diff --git a/chrome/test/chromedriver/command_executor_impl.cc b/chrome/test/chromedriver/command_executor_impl.cc
index 070c2c795d93dc8e358a745d5c5d3ebd02a31541..363575fba1c3c7cb7a26884c08f089c88a9b9468 100644
--- a/chrome/test/chromedriver/command_executor_impl.cc
+++ b/chrome/test/chromedriver/command_executor_impl.cc
@@ -102,6 +102,8 @@ void CommandExecutorImpl::Init() {
   window_command_map[CommandNames::kGet] = base::Bind(&ExecuteGet);
   window_command_map[CommandNames::kExecuteScript] =
       base::Bind(&ExecuteExecuteScript);
+  window_command_map[CommandNames::kExecuteAsyncScript] =
+      base::Bind(&ExecuteExecuteAsyncScript);
   window_command_map[CommandNames::kSwitchToFrame] =
       base::Bind(&ExecuteSwitchToFrame);
   window_command_map[CommandNames::kGetTitle] =