| Index: ash/wm/maximize_mode/maximize_mode_window_state.cc | 
| diff --git a/ash/wm/maximize_mode/maximize_mode_window_state.cc b/ash/wm/maximize_mode/maximize_mode_window_state.cc | 
| index 6d6259e55052b5e145c601602ef2eac84d6d9120..3b42533f4bc8456b34158851bae37255e1fc8919 100644 | 
| --- a/ash/wm/maximize_mode/maximize_mode_window_state.cc | 
| +++ b/ash/wm/maximize_mode/maximize_mode_window_state.cc | 
| @@ -130,7 +130,8 @@ void MaximizeModeWindowState::OnWMEvent(wm::WindowState* window_state, | 
| UpdateWindow(window_state, wm::WINDOW_STATE_TYPE_FULLSCREEN, true); | 
| break; | 
| case wm::WM_EVENT_PIN: | 
| -      UpdateWindow(window_state, wm::WINDOW_STATE_TYPE_PINNED, true); | 
| +      if (!WmShell::Get()->IsPinned()) | 
| +        UpdateWindow(window_state, wm::WINDOW_STATE_TYPE_PINNED, true); | 
| break; | 
| case wm::WM_EVENT_TOGGLE_MAXIMIZE_CAPTION: | 
| case wm::WM_EVENT_TOGGLE_VERTICAL_MAXIMIZE: | 
|  |