Fix event dispatching and window resizing in high-dpi mode.

ui/aura/window_event_dispatcher.h

Index: ui/aura/window_event_dispatcher.h
diff --git a/ui/aura/window_event_dispatcher.h b/ui/aura/window_event_dispatcher.h
index 59f7b4f0cf64fb161d578925b9d8aa3b02bba56f..53dfdba84e38cc4ff3f6a1963c384f24abc8e86c 100644
--- a/ui/aura/window_event_dispatcher.h
+++ b/ui/aura/window_event_dispatcher.h
@@ -64,8 +64,6 @@ class AURA_EXPORT WindowEventDispatcher : public ui::EventProcessor,
   explicit WindowEventDispatcher(WindowTreeHost* host);
   ~WindowEventDispatcher() override;
 
-  void set_transform_events(bool value) { transform_events_ = value; }
-
   Window* mouse_pressed_handler() { return mouse_pressed_handler_; }
   Window* mouse_moved_handler() { return mouse_moved_handler_; }
 
@@ -266,8 +264,6 @@ class AURA_EXPORT WindowEventDispatcher : public ui::EventProcessor,
 
   ScopedObserver<aura::Window, aura::WindowObserver> observer_manager_;
 
-  bool transform_events_;
-
   std::unique_ptr<EnvInputStateController> env_controller_;
 
   // Used to schedule reposting an event.