[chromedriver] Remove support for simulating OS-level key events.

chrome/test/webdriver/commands/session_with_id.cc

 // Copyright (c) 2012 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/session_with_id.h"
 
 #include <sstream>
 #include <string>
 
 #include "base/values.h"
@@ skipping 50 matching lines @@
   temp_value->SetBoolean("rotatable", false);
   temp_value->SetBoolean("acceptSslCerts", false);
   // Even when ChromeDriver does not OS-events, the input simulation produces
   // the same effect for most purposes (except IME).
   temp_value->SetBoolean("nativeEvents", true);
 
   // Custom non-standard session info.
   temp_value->SetWithoutPathExpansion(
       "chrome.chromedriverVersion",
       Value::CreateStringValue(chrome::kChromeVersion));
-  temp_value->SetWithoutPathExpansion(
-      "chrome.nativeEvents",
-      Value::CreateBooleanValue(session_->capabilities().native_events));
 
   response->SetValue(temp_value);
 }
 
 void SessionWithID::ExecuteDelete(Response* const response) {
   // Session manages its own lifetime, so do not call delete.
   session_->Terminate();
 }
 
 bool SessionWithID::ShouldRunPreAndPostCommandHandlers() {
   return false;
 }
 
 }  // namespace webdriver