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

ash/host/ash_window_tree_host_unified.cc

 // Copyright 2015 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/host/ash_window_tree_host_unified.h"
 
 #include <utility>
 
 #include "ash/host/root_window_transformer.h"
 #include "ash/ime/input_method_event_handler.h"
@@ skipping 15 matching lines @@
 
   ui::EventTarget* FindTargetForEvent(ui::EventTarget* root,
                                       ui::Event* event) override {
     if (root == src_root_ && !event->target()) {
       if (event->IsLocatedEvent()) {
         ui::LocatedEvent* located_event = static_cast<ui::LocatedEvent*>(event);
         located_event->ConvertLocationToTarget(
             static_cast<aura::Window*>(nullptr), dst_root_);
       }
       ignore_result(
-          dst_root_->GetHost()->event_processor()->OnEventFromSource(event));
+          dst_root_->GetHost()->event_sink()->OnEventFromSource(event));
       return nullptr;
     } else {
       NOTREACHED() << "event type:" << event->type();
       return aura::WindowTargeter::FindTargetForEvent(root, event);
     }
   }
 
   aura::Window* src_root_;
   aura::Window* dst_root_;
 
@@ skipping 56 matching lines @@
       std::find_if(mirroring_hosts_.begin(), mirroring_hosts_.end(),
                    [window](AshWindowTreeHost* ash_host) {
                      return ash_host->AsWindowTreeHost()->window() == window;
                    });
   DCHECK(iter != mirroring_hosts_.end());
   window->RemoveObserver(this);
   mirroring_hosts_.erase(iter);
 }
 
 }  // namespace ash