Add MouseEnter & MouseMove Event in PopupCloser#2977

fedejeanne merged 2 commits intoeclipse-platform:mastereclipse-platform/eclipse.platform.ui:masterfrom

vi-eclipse:amartya4256/popupCloser_mouse_move_and_enter_fixvi-eclipse/eclipse.platform.ui:amartya4256/popupCloser_mouse_move_and_enter_fixCopy head branch name to clipboard