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: |