Move focus from the view manager to the window manager.

mojo/services/view_manager/window_tree_host_impl.h

Index: mojo/services/view_manager/window_tree_host_impl.h
diff --git a/mojo/services/view_manager/window_tree_host_impl.h b/mojo/services/view_manager/window_tree_host_impl.h
index bbbd4b17827843add5810162db241db024fff9b8..877b81868e3e8fdbcf86ba50a8c00b732db2b005 100644
--- a/mojo/services/view_manager/window_tree_host_impl.h
+++ b/mojo/services/view_manager/window_tree_host_impl.h
@@ -28,7 +28,8 @@ class WindowTreeHostImpl : public aura::WindowTreeHost,
       NativeViewportPtr viewport,
       const gfx::Rect& bounds,
       const Callback<void()>& compositor_created_callback,
-      const Callback<void()>& native_viewport_closed_callback);
+      const Callback<void()>& native_viewport_closed_callback,
+      const Callback<void(EventPtr)>& event_received_callback);
   virtual ~WindowTreeHostImpl();
 
   gfx::Rect bounds() const { return bounds_; }
@@ -64,6 +65,7 @@ class WindowTreeHostImpl : public aura::WindowTreeHost,
   NativeViewportPtr native_viewport_;
   Callback<void()> compositor_created_callback_;
   Callback<void()> native_viewport_closed_callback_;
+  Callback<void(EventPtr)> event_received_callback_;
 
   gfx::Rect bounds_;