Use ui::Event instead of mojom::EventPtr in mus::InputEventHandler.

components/mus/public/cpp/lib/window_tree_client_impl.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 "components/mus/public/cpp/lib/window_tree_client_impl.h"
 
 #include <stddef.h>
 #include <utility>
 
 #include "base/bind.h"
 #include "components/mus/common/util.h"
 #include "components/mus/public/cpp/input_event_handler.h"
 #include "components/mus/public/cpp/lib/in_flight_change.h"
 #include "components/mus/public/cpp/lib/window_private.h"
 #include "components/mus/public/cpp/window_manager_delegate.h"
 #include "components/mus/public/cpp/window_observer.h"
 #include "components/mus/public/cpp/window_tracker.h"
 #include "components/mus/public/cpp/window_tree_connection.h"
 #include "components/mus/public/cpp/window_tree_connection_observer.h"
 #include "components/mus/public/cpp/window_tree_delegate.h"
 #include "mojo/converters/geometry/geometry_type_converters.h"
+#include "mojo/converters/input_events/input_events_type_converters.h"
 #include "mojo/shell/public/cpp/connector.h"
+#include "ui/events/event.h"
 #include "ui/gfx/geometry/insets.h"
 #include "ui/gfx/geometry/size.h"
 
 namespace mus {
 
 Id MakeTransportId(ConnectionSpecificId connection_id,
                    ConnectionSpecificId local_id) {
   return (connection_id << 16) | local_id;
 }
 
@@ skipping 785 matching lines @@
   Window* window = GetWindowById(window_id);
   if (!window || !window->input_event_handler_) {
     tree_->OnWindowInputEventAck(event_id, false);
     return;
   }
 
   scoped_ptr<base::Callback<void(bool)>> ack_callback(
       new base::Callback<void(bool)>(
           base::Bind(&mojom::WindowTree::OnWindowInputEventAck,
                      base::Unretained(tree_), event_id)));
-  window->input_event_handler_->OnWindowInputEvent(window, std::move(event),
-                                                   &ack_callback);
+  window->input_event_handler_->OnWindowInputEvent(
+      window, *event.To<scoped_ptr<ui::Event>>().get(), &ack_callback);
 
   // The handler did not take ownership of the callback, so we send the ack,
   // marking the event as not consumed.
   if (ack_callback)
     ack_callback->Run(false);
 }
 
 void WindowTreeClientImpl::OnWindowFocused(Id focused_window_id) {
   Window* focused_window = GetWindowById(focused_window_id);
   InFlightFocusChange new_change(this, focused_window);
@@ skipping 140 matching lines @@
 
 void WindowTreeClientImpl::SetUnderlaySurfaceOffsetAndExtendedHitArea(
     Window* window,
     const gfx::Vector2d& offset,
     const gfx::Insets& hit_area) {
   window_manager_internal_client_->SetUnderlaySurfaceOffsetAndExtendedHitArea(
       window->id(), offset.x(), offset.y(), mojo::Insets::From(hit_area));
 }
 
 }  // namespace mus