ash: ozone: apply transformation to events outside the root window

ash/host/ash_window_tree_host_ozone.cc

Index: ash/host/ash_window_tree_host_ozone.cc
diff --git a/ash/host/ash_window_tree_host_ozone.cc b/ash/host/ash_window_tree_host_ozone.cc
index 764eededa4163e8959b9ebf8cee8fbc8cf93111d..d83d484fed8637410202894a64c0ba80ebd4d096 100644
--- a/ash/host/ash_window_tree_host_ozone.cc
+++ b/ash/host/ash_window_tree_host_ozone.cc
@@ -34,6 +34,7 @@ class AshWindowTreeHostOzone : public AshWindowTreeHost,
   virtual gfx::Transform GetRootTransform() const override;
   virtual gfx::Transform GetInverseRootTransform() const override;
   virtual void UpdateRootWindowSize(const gfx::Size& host_size) override;
+  virtual void DispatchEvent(ui::Event* event) override;
 
   TransformerHelper transformer_helper_;
 
@@ -87,6 +88,12 @@ void AshWindowTreeHostOzone::UpdateRootWindowSize(const gfx::Size& host_size) {
   transformer_helper_.UpdateWindowSize(host_size);
 }
 
+void AshWindowTreeHostOzone::DispatchEvent(ui::Event* event) {
+  if (event->IsLocatedEvent())
+    TranslateLocatedEvent(static_cast<ui::LocatedEvent*>(event));
+  SendEventToProcessor(event);
+}
+
 }  // namespace
 
 AshWindowTreeHost* AshWindowTreeHost::Create(