Do not hide the cursor on a key up

ash/wm/cursor_manager_chromeos.cc

Index: ash/wm/cursor_manager_chromeos.cc
diff --git a/ash/wm/cursor_manager_chromeos.cc b/ash/wm/cursor_manager_chromeos.cc
index 39a74d57034c626b32408244e41386879bf2ad18..af38d5c41f4531e20caaf8d46573903eb5c02f74 100644
--- a/ash/wm/cursor_manager_chromeos.cc
+++ b/ash/wm/cursor_manager_chromeos.cc
@@ -21,6 +21,9 @@ CursorManager::~CursorManager() {
 
 bool CursorManager::ShouldHideCursorOnKeyEvent(
     const ui::KeyEvent& event) const {
+  if (event.type() != ui::ET_KEY_PRESSED)
+    return false;
+
   // Clicking on a key when the accessibility virtual keyboard is enabled should
   // not hide the cursor.
   if (keyboard::GetAccessibilityKeyboardEnabled())