Move cursor when it's hidden so that UX can update correctly

ui/aura/root_window.cc

Index: ui/aura/root_window.cc
diff --git a/ui/aura/root_window.cc b/ui/aura/root_window.cc
index 9c22cbe20083e1da2e677cf2bd52f793f7be879e..a82ddd6931381b97629510e6656c2a0a5144cb9b 100644
--- a/ui/aura/root_window.cc
+++ b/ui/aura/root_window.cc
@@ -231,8 +231,14 @@ void RootWindow::SetCursor(gfx::NativeCursor cursor) {
 }
 
 void RootWindow::ShowCursor(bool show) {
-  cursor_shown_ = show;
-  host_->ShowCursor(show);
+  // Send entered / exited so that visual state can be updated to match
+  // cursor state.
+  if (show != cursor_shown_) {
+    cursor_shown_ = show;
+    host_->ShowCursor(show);
+    Env::GetInstance()->SetCursorShown(show);
+    PostMouseMoveEventAfterWindowChange();
+  }
 }
 
 void RootWindow::MoveCursorTo(const gfx::Point& location_in_dip) {