event-rewrite: Clean up how events are rewritten.

chrome/browser/ui/ash/ash_init.cc

Index: chrome/browser/ui/ash/ash_init.cc
diff --git a/chrome/browser/ui/ash/ash_init.cc b/chrome/browser/ui/ash/ash_init.cc
index 8551ef498399e59be8a2f933574f5a84848690b7..4ba14256fe5c0bbe4296a3844ec437882f9c52ca 100644
--- a/chrome/browser/ui/ash/ash_init.cc
+++ b/chrome/browser/ui/ash/ash_init.cc
@@ -10,14 +10,12 @@
 #include "ash/magnifier/magnification_controller.h"
 #include "ash/magnifier/partial_magnification_controller.h"
 #include "ash/shell.h"
-#include "ash/wm/event_rewriter_event_filter.h"
 #include "base/command_line.h"
 #include "chrome/browser/browser_shutdown.h"
 #include "chrome/browser/chromeos/accessibility/accessibility_manager.h"
 #include "chrome/browser/chromeos/accessibility/magnification_manager.h"
 #include "chrome/browser/lifetime/application_lifetime.h"
 #include "chrome/browser/ui/ash/chrome_shell_delegate.h"
-#include "chrome/browser/ui/ash/event_rewriter.h"
 #include "chrome/browser/ui/ash/screenshot_taker.h"
 #include "chrome/common/chrome_switches.h"
 #include "ui/aura/env.h"
@@ -58,8 +56,6 @@ void OpenAsh() {
 
   // Shell takes ownership of ChromeShellDelegate.
   ash::Shell* shell = ash::Shell::CreateInstance(new ChromeShellDelegate);
-  shell->event_rewriter_filter()->SetEventRewriterDelegate(
-      scoped_ptr<ash::EventRewriterDelegate>(new EventRewriter).Pass());
   shell->accelerator_controller()->SetScreenshotDelegate(
       scoped_ptr<ash::ScreenshotDelegate>(new ScreenshotTaker).Pass());
 #if defined(OS_CHROMEOS)