Add enable flag for pointer events in about://flags

chrome/browser/ui/startup/bad_flags_prompt.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/browser/ui/startup/bad_flags_prompt.h"
 
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "base/strings/utf_string_conversions.h"
 #include "build/build_config.h"
@@ skipping 65 matching lines @@
 #if defined(OS_LINUX) && !defined(OS_CHROMEOS)
     // Speech dispatcher is buggy, it can crash and it can make Chrome freeze.
     // http://crbug.com/327295
     switches::kEnableSpeechDispatcher,
 #endif
 
     // These flags control Blink feature state, which is not supported and is
     // intended only for use by Chromium developers.
     switches::kDisableBlinkFeatures,
     switches::kEnableBlinkFeatures,
+    switches::kEnablePointerEvents,
 
     // This flag allows people to whitelist certain origins as secure, even
     // if they are not.
     switches::kUnsafelyTreatInsecureOriginAsSecure,
 
     // This flag enables Web Bluetooth. Since the UI for Web Bluetooth is
     // not yet implemented, websites could take control over paired devices
     // without the users knowledge, so we need to show a warning for when
     // the flag is enabled.
     switches::kEnableWebBluetooth,
@@ skipping 43 matching lines @@
                                  user_data_dir.LossyDisplayName());
 
   if (cleanup_resource_bundle)
     ResourceBundle::CleanupSharedInstance();
 
   // More complex dialogs cannot be shown before the earliest calls here.
   ShowMessageBox(NULL, title, message, chrome::MESSAGE_BOX_TYPE_WARNING);
 }
 
 }  // namespace chrome