mustash: Use ui::chromeos::EventRewriter in mus

ash/accelerators/key_hold_detector.cc

 // Copyright 2014 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 "ash/accelerators/key_hold_detector.h"
 
 #include <utility>
 
 #include "ash/shell.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "ui/aura/window_tracker.h"
 #include "ui/aura/window_tree_host.h"
 #include "ui/events/event_dispatcher.h"
-#include "ui/events/event_processor.h"
+#include "ui/events/event_sink.h"
 
 namespace ash {
 namespace {
 
 void DispatchPressedEvent(const ui::KeyEvent& key_event,
                           std::unique_ptr<aura::WindowTracker> tracker) {
   // The target window may be gone.
   if (tracker->windows().empty())
     return;
   ui::KeyEvent event(key_event);
   aura::Window* target = *(tracker->windows().begin());
-  ignore_result(
-      target->GetHost()->event_processor()->OnEventFromSource(&event));
+  ignore_result(target->GetHost()->event_sink()->OnEventFromSource(&event));
 }
 
 void PostPressedEvent(ui::KeyEvent* event) {
   // Modify RELEASED event to PRESSED event.
   const ui::KeyEvent pressed_event(
       ui::ET_KEY_PRESSED, event->key_code(), event->code(),
       event->flags() | ui::EF_SHIFT_DOWN | ui::EF_IS_SYNTHESIZED);
   std::unique_ptr<aura::WindowTracker> tracker(new aura::WindowTracker);
   tracker->Add(static_cast<aura::Window*>(event->target()));
 
@@ skipping 53 matching lines @@
         if (delegate_->ShouldStopEventPropagation())
           event->StopPropagation();
         break;
       }
     }
     state_ = INITIAL;
   }
 }
 
 }  // namespace ash