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

ui/aura/window_event_dispatcher.cc

Index: ui/aura/window_event_dispatcher.cc
diff --git a/ui/aura/window_event_dispatcher.cc b/ui/aura/window_event_dispatcher.cc
index 5bfad58f8cb2971ca24fe7c3b44deee50abe50da..f5fe099778d986cdae98140babf08626ba5eaa23 100644
--- a/ui/aura/window_event_dispatcher.cc
+++ b/ui/aura/window_event_dispatcher.cc
@@ -74,7 +74,6 @@ WindowEventDispatcher::WindowEventDispatcher(WindowTreeHost* host)
       move_hold_count_(0),
       dispatching_held_event_(nullptr),
       observer_manager_(this),
-      transform_events_(true),
       env_controller_(new EnvInputStateController),
       repost_event_factory_(this),
       held_event_factory_(this) {
@@ -423,10 +422,8 @@ void WindowEventDispatcher::OnEventProcessingStarted(ui::Event* event) {
   // The held events are already in |window()|'s coordinate system. So it is
   // not necessary to apply the transform to convert from the host's
   // coordinate system to |window()|'s coordinate system.
-  if (event->IsLocatedEvent() && !is_dispatched_held_event(*event) &&
-      transform_events_) {
+  if (event->IsLocatedEvent() && !is_dispatched_held_event(*event))
     TransformEventForDeviceScaleFactor(static_cast<ui::LocatedEvent*>(event));
-  }
 }
 
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