Restore bounds after the screen is restored in clamshell

ash/wm/maximize_mode/maximize_mode_window_state.h

Index: ash/wm/maximize_mode/maximize_mode_window_state.h
diff --git a/ash/wm/maximize_mode/maximize_mode_window_state.h b/ash/wm/maximize_mode/maximize_mode_window_state.h
index fe0878fc4aecffa1a6adb055976dc2ec974c36c8..7cadc5f6a8a0e08dc21ec601701b641e2c858be7 100644
--- a/ash/wm/maximize_mode/maximize_mode_window_state.h
+++ b/ash/wm/maximize_mode/maximize_mode_window_state.h
@@ -30,6 +30,8 @@ class MaximizeModeWindowState : public wm::WindowState::State {
   MaximizeModeWindowState(WmWindow* window, MaximizeModeWindowManager* creator);
   ~MaximizeModeWindowState() override;
 
+  void set_ignore_wm_events(bool ignore) { ignore_wm_events_ = ignore; }
+
   // Leaves the maximize mode by reverting to previous state object.
   void LeaveMaximizeMode(wm::WindowState* window_state);
 
@@ -80,6 +82,9 @@ class MaximizeModeWindowState : public wm::WindowState::State {
   // If true, do not update bounds.
   bool defer_bounds_updates_;
 
+  // If true, the state will not process events.
+  bool ignore_wm_events_ = false;
+
   DISALLOW_COPY_AND_ASSIGN(MaximizeModeWindowState);
 };