[Ozone/x11] events can be dispatched to the wrong window

ui/events/platform/x11/x11_event_source_libevent.h

 // Copyright 2016 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.
 
 #ifndef UI_EVENTS_PLATFORM_X11_X11_EVENT_SOURCE_LIBEVENT_H_
 #define UI_EVENTS_PLATFORM_X11_X11_EVENT_SOURCE_LIBEVENT_H_
 
 #include "base/macros.h"
 #include "base/message_loop/message_pump_libevent.h"
 #include "ui/events/events_export.h"
 #include "ui/events/platform/platform_event_source.h"
 #include "ui/events/platform/x11/x11_event_source.h"
 
 namespace ui {
 
+class Event;
+
+struct EVENTS_EXPORT EventWithPlatformEvent {
+  Event* event;
+  PlatformEvent platform_event;
+};
+
 // Interface for classes that want to receive XEvent directly. Only used with
 // Ozone X11 currently and only events that can't be translated into ui::Events
 // are sent via this path.
 class EVENTS_EXPORT XEventDispatcher {
  public:
   // Sends XEvent to XEventDispatcher for handling. Returns true if the XEvent
   // was dispatched, otherwise false. After the first XEventDispatcher returns
   // true XEvent dispatching stops.
   virtual bool DispatchXEvent(XEvent* xevent) = 0;
 
@@ skipping 46 matching lines @@
 
   base::MessagePumpLibevent::FileDescriptorWatcher watcher_controller_;
   bool initialized_ = false;
 
   DISALLOW_COPY_AND_ASSIGN(X11EventSourceLibevent);
 };
 
 }  // namespace ui
 
 #endif  // UI_EVENTS_PLATFORM_X11_X11_EVENT_SOURCE_LIBEVENT_H_