Move chromeos::EventRewriter to //ui/chromeos/events

chrome/browser/chromeos/chrome_browser_main_chromeos.h

Index: chrome/browser/chromeos/chrome_browser_main_chromeos.h
diff --git a/chrome/browser/chromeos/chrome_browser_main_chromeos.h b/chrome/browser/chromeos/chrome_browser_main_chromeos.h
index cea135d7a81bb42d4ae58ee21da85e3f5189b486..7f65e8bfb0ffff7c29bda582298e4b1fb6392305 100644
--- a/chrome/browser/chromeos/chrome_browser_main_chromeos.h
+++ b/chrome/browser/chromeos/chrome_browser_main_chromeos.h
@@ -27,6 +27,7 @@ namespace chromeos {
 class ArcKioskAppManager;
 class DataPromoNotification;
 class EventRewriterController;
+class EventRewriterDelegateImpl;
 class ExtensionVolumeObserver;
 class IdleActionWarningObserver;
 class LoginLockStateNotifier;
@@ -87,6 +88,7 @@ class ChromeBrowserMainPartsChromeos : public ChromeBrowserMainPartsLinux {
 
   std::unique_ptr<ShutdownPolicyForwarder> shutdown_policy_forwarder_;
 
+  std::unique_ptr<EventRewriterDelegateImpl> event_rewriter_delegate_;
   std::unique_ptr<EventRewriterController> keyboard_event_rewriters_;
 
   scoped_refptr<chromeos::ExternalMetrics> external_metrics_;