Crash on non-primary full screen exit

ash/screen_ash.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ash/screen_ash.h"
 
 #include "ash/display/display_controller.h"
 #include "ash/display/display_manager.h"
 #include "ash/root_window_controller.h"
 #include "ash/shelf/shelf_layout_manager.h"
@@ skipping 22 matching lines @@
 ScreenAsh::~ScreenAsh() {
 }
 
 // static
 gfx::Display ScreenAsh::FindDisplayContainingPoint(const gfx::Point& point) {
   return GetDisplayManager()->FindDisplayContainingPoint(point);
 }
 
 // static
 gfx::Rect ScreenAsh::GetMaximizedWindowBoundsInParent(aura::Window* window) {
-  if (GetRootWindowController(window->GetRootWindow())->shelf()->launcher())
+  if (GetRootWindowController(window->GetRootWindow())->shelf())
     return GetDisplayWorkAreaBoundsInParent(window);
   else
     return GetDisplayBoundsInParent(window);
 }
 
 // static
 gfx::Rect ScreenAsh::GetDisplayBoundsInParent(aura::Window* window) {
   return ConvertRectFromScreen(
       window->parent(),
       Shell::GetScreen()->GetDisplayNearestWindow(window).bounds());
@@ skipping 83 matching lines @@
 
 void ScreenAsh::AddObserver(gfx::DisplayObserver* observer) {
   observers_.AddObserver(observer);
 }
 
 void ScreenAsh::RemoveObserver(gfx::DisplayObserver* observer) {
   observers_.RemoveObserver(observer);
 }
 
 }  // namespace ash